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#include <bits/stdc++.h> using namespace std; const int N = 1e3 + 5; int t, a, b; vector<pair<int, int>> pa, pb; vector<int> pr; bool vis[N]; bool val() { if (a * a != b && b * b != a) return false; if (pa.size() != pb.size()) return false; for (int i = 0; i < pa.size(); i++) { if (pa[i].first != pb[i].first) return false; if ((pa[i].second + pb[i].second) % 3) return false; if (2 * min(pa[i].second, pb[i].second) < max(pa[i].second, pb[i].second)) return false; } return true; } int main() { for (int i = 2; i <= 1e3; i++) { if (vis[i]) continue; pr.push_back(i); for (int j = i; j <= 1e3; j += i) vis[j] = true; } scanf("%d", &t); while (t--) { scanf("%d %d", &a, &b); pa.clear(); pb.clear(); for (int i : pr) { if (a % i) continue; pa.push_back({i, 0}); while (a % i == 0) { pa.back().second++; a /= i; } } for (int i : pr) { if (b % i) continue; pb.push_back({i, 0}); while (b % i == 0) { pb.back().second++; b /= i; } } if (val()) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int x, y; int prime[100005]; bool is_prime[100005]; int t; int sieve(int n) { int p = 0; for (int i = 0; i <= n; i++) is_prime[i] = true; is_prime[0] = is_prime[1] = false; for (int i = 2; i <= n; i++) { if (is_prime[i]) { prime[p++] = i; for (int j = 2 * i; j <= n; j += i) is_prime[j] = false; } } return p; } long long _sqr(long long x) { long long l = 1, r = 1000001; while (r - l > 1) { long long mid = (l + r) / 2; if (mid * mid * mid <= x) l = mid; else r = mid; } return l; } int main() { int n; scanf("%d", &n); int num = sieve(32005); for (int i = 0; i < n; i++) { scanf("%d %d", &x, &y); long long s = (long long)x * y; long long res = _sqr(s); if (res * res * res != s || x % res != 0 || y % res != 0) { puts("No"); continue; } long long xx = x / res, yy = y / res; if (xx * yy == res) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int T; long long a, b, x; int main() { for (cin >> T; T--;) { scanf("%lld%lld", &a, &b), x = pow(a * b, 1. / 3); if ((x + 1) * (x + 1) * (x + 1) == a * b) x++; puts(x * x * x != a * b || a % x || b % x ? "No" : "Yes"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; const long long N = 1e5 + 5; long long dx[] = {1, -1, 0, 0}; long long dy[] = {0, 0, 1, -1}; void solve() { long long a, b; cin >> a >> b; long long num = a * b; long long x = round(cbrt(num)); if (x * x * x != num) cout << "No"; else { if (a % x == 0 && b % x == 0) cout << "Yes"; else cout << "No"; } return; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long q = 1; cin >> q; for (long long i = 0; i < q; i++) { solve(); cout << "\n"; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; template <typename T> using vc = vector<T>; template <typename T, typename X> using pr = pair<T, X>; const long long int MOD = 1e9 + 7; const long double PI = 3.14159265; long long int powerWithMod(long long int base, long long int exponent, long long int modulus = LLONG_MAX) { long long int result = 1; base %= modulus; while (exponent > 0) { if (exponent % 2 == 1) result = (result * base) % modulus; exponent >>= 1; base = (base * base) % modulus; } return result; } long long int modInverse(long long int a, long long int m = MOD) { return powerWithMod(a, m - 2, m); } int n; long long int a, b; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); cin >> n; while (n--) { cin >> a >> b; auto c = a * b; auto y = static_cast<long long int>(std::pow(c, 1 / 3.0)); while (y * y * y < c) y++; if (y * y * y != c or a % y or b % y) cout << "No\n"; else cout << "Yes\n"; } return 0; }
7
CPP
# ---------------------------iye ha aam zindegi--------------------------------------------- import math import heapq, bisect import sys from collections import deque, defaultdict from fractions import Fraction mod = 10 ** 9 + 7 mod1 = 998244353 # ------------------------------warmup---------------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") # -------------------game starts now----------------------------------------------------import math class TreeNode: def __init__(self, k, v): self.key = k self.value = v self.left = None self.right = None self.parent = None self.height = 1 self.num_left = 1 self.num_total = 1 class AvlTree: def __init__(self): self._tree = None def add(self, k, v): if not self._tree: self._tree = TreeNode(k, v) return node = self._add(k, v) if node: self._rebalance(node) def _add(self, k, v): node = self._tree while node: if k < node.key: if node.left: node = node.left else: node.left = TreeNode(k, v) node.left.parent = node return node.left elif node.key < k: if node.right: node = node.right else: node.right = TreeNode(k, v) node.right.parent = node return node.right else: node.value = v return @staticmethod def get_height(x): return x.height if x else 0 @staticmethod def get_num_total(x): return x.num_total if x else 0 def _rebalance(self, node): n = node while n: lh = self.get_height(n.left) rh = self.get_height(n.right) n.height = max(lh, rh) + 1 balance_factor = lh - rh n.num_total = 1 + self.get_num_total(n.left) + self.get_num_total(n.right) n.num_left = 1 + self.get_num_total(n.left) if balance_factor > 1: if self.get_height(n.left.left) < self.get_height(n.left.right): self._rotate_left(n.left) self._rotate_right(n) elif balance_factor < -1: if self.get_height(n.right.right) < self.get_height(n.right.left): self._rotate_right(n.right) self._rotate_left(n) else: n = n.parent def _remove_one(self, node): """ Side effect!!! Changes node. Node should have exactly one child """ replacement = node.left or node.right if node.parent: if AvlTree._is_left(node): node.parent.left = replacement else: node.parent.right = replacement replacement.parent = node.parent node.parent = None else: self._tree = replacement replacement.parent = None node.left = None node.right = None node.parent = None self._rebalance(replacement) def _remove_leaf(self, node): if node.parent: if AvlTree._is_left(node): node.parent.left = None else: node.parent.right = None self._rebalance(node.parent) else: self._tree = None node.parent = None node.left = None node.right = None def remove(self, k): node = self._get_node(k) if not node: return if AvlTree._is_leaf(node): self._remove_leaf(node) return if node.left and node.right: nxt = AvlTree._get_next(node) node.key = nxt.key node.value = nxt.value if self._is_leaf(nxt): self._remove_leaf(nxt) else: self._remove_one(nxt) self._rebalance(node) else: self._remove_one(node) def get(self, k): node = self._get_node(k) return node.value if node else -1 def _get_node(self, k): if not self._tree: return None node = self._tree while node: if k < node.key: node = node.left elif node.key < k: node = node.right else: return node return None def get_at(self, pos): x = pos + 1 node = self._tree while node: if x < node.num_left: node = node.left elif node.num_left < x: x -= node.num_left node = node.right else: return (node.key, node.value) raise IndexError("Out of ranges") @staticmethod def _is_left(node): return node.parent.left and node.parent.left == node @staticmethod def _is_leaf(node): return node.left is None and node.right is None def _rotate_right(self, node): if not node.parent: self._tree = node.left node.left.parent = None elif AvlTree._is_left(node): node.parent.left = node.left node.left.parent = node.parent else: node.parent.right = node.left node.left.parent = node.parent bk = node.left.right node.left.right = node node.parent = node.left node.left = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) def _rotate_left(self, node): if not node.parent: self._tree = node.right node.right.parent = None elif AvlTree._is_left(node): node.parent.left = node.right node.right.parent = node.parent else: node.parent.right = node.right node.right.parent = node.parent bk = node.right.left node.right.left = node node.parent = node.right node.right = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) @staticmethod def _get_next(node): if not node.right: return node.parent n = node.right while n.left: n = n.left return n avl=AvlTree() #-----------------------------------------------binary seacrh tree--------------------------------------- class SegmentTree1: def __init__(self, data, default='z', func=lambda a, b: min(a ,b)): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------game starts now----------------------------------------------------import math class SegmentTree: def __init__(self, data, default=0, func=lambda a, b: a + b): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------------------iye ha chutiya zindegi------------------------------------- class Factorial: def __init__(self, MOD): self.MOD = MOD self.factorials = [1, 1] self.invModulos = [0, 1] self.invFactorial_ = [1, 1] def calc(self, n): if n <= -1: print("Invalid argument to calculate n!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.factorials): return self.factorials[n] nextArr = [0] * (n + 1 - len(self.factorials)) initialI = len(self.factorials) prev = self.factorials[-1] m = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = prev * i % m self.factorials += nextArr return self.factorials[n] def inv(self, n): if n <= -1: print("Invalid argument to calculate n^(-1)") print("n must be non-negative value. But the argument was " + str(n)) exit() p = self.MOD pi = n % p if pi < len(self.invModulos): return self.invModulos[pi] nextArr = [0] * (n + 1 - len(self.invModulos)) initialI = len(self.invModulos) for i in range(initialI, min(p, n + 1)): next = -self.invModulos[p % i] * (p // i) % p self.invModulos.append(next) return self.invModulos[pi] def invFactorial(self, n): if n <= -1: print("Invalid argument to calculate (n^(-1))!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.invFactorial_): return self.invFactorial_[n] self.inv(n) # To make sure already calculated n^-1 nextArr = [0] * (n + 1 - len(self.invFactorial_)) initialI = len(self.invFactorial_) prev = self.invFactorial_[-1] p = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = (prev * self.invModulos[i % p]) % p self.invFactorial_ += nextArr return self.invFactorial_[n] class Combination: def __init__(self, MOD): self.MOD = MOD self.factorial = Factorial(MOD) def ncr(self, n, k): if k < 0 or n < k: return 0 k = min(k, n - k) f = self.factorial return f.calc(n) * f.invFactorial(max(n - k, k)) * f.invFactorial(min(k, n - k)) % self.MOD # --------------------------------------iye ha combinations ka zindegi--------------------------------- def powm(a, n, m): if a == 1 or n == 0: return 1 if n % 2 == 0: s = powm(a, n // 2, m) return s * s % m else: return a * powm(a, n - 1, m) % m # --------------------------------------iye ha power ka zindegi--------------------------------- def sort_list(list1, list2): zipped_pairs = zip(list2, list1) z = [x for _, x in sorted(zipped_pairs)] return z # --------------------------------------------------product---------------------------------------- def product(l): por = 1 for i in range(len(l)): por *= l[i] return por # --------------------------------------------------binary---------------------------------------- def binarySearchCount(arr, n, key): left = 0 right = n - 1 count = 0 while (left <= right): mid = int((right + left)/ 2) # Check if middle element is # less than or equal to key if (arr[mid]<=key): count = mid+1 left = mid + 1 # If key is smaller, ignore right half else: right = mid - 1 return count # --------------------------------------------------binary---------------------------------------- def countdig(n): c = 0 while (n > 0): n //= 10 c += 1 return c def countGreater( arr,n, k): l = 0 r = n - 1 # Stores the index of the left most element # from the array which is greater than k leftGreater = n # Finds number of elements greater than k while (l <= r): m = int(l + (r - l) / 2) if (arr[m] >= k): leftGreater = m r = m - 1 # If mid element is less than # or equal to k update l else: l = m + 1 # Return the count of elements # greater than k return (n - leftGreater) # --------------------------------------------------binary------------------------------------ for i in range(int(input())): a,b=map(int,input().split()) c=a*b l=int(c**(1/3)+0.5) if l**3==a*b and a%l==0 and b%l==0: print("YES") else: print("NO")
7
PYTHON3
import sys input = sys.stdin.buffer.readline def gcd(a, b): if a > b: a, b = b, a if b % a==0: return a return gcd(b % a, a) def process(a, b): g = gcd(a, b) r = a//g s = b//g if g % r != 0: return 'No' g = g//r if g % s != 0: return 'No' G3 = g//s G = round(G3**(1/3)) cube = False for i in range(10): if (G-i)**3==G3 or (G+i)**3==G3: cube = True break if not cube: return 'No' return 'Yes' n = int(input()) for i in range(n): a, b = [int(x) for x in input().split()] sys.stdout.write(process(a, b)+'\n')
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const char letters[] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'}; const int dx[] = {0, -1, 0, 1, -1, -1, 1, 1}; const int dy[] = {1, 0, -1, 0, 1, -1, 1, -1}; int inline max3(int a, int b, int c) { return max(a, max(b, c)); } int n; long long ab, a, b; int main() { scanf("%d", &n); while (n--) { scanf("%lld", &a); scanf("%lld", &b); ab = a * 1LL * b; int l = 1, r = 1e6, mid; while (l < r) { mid = l + (r - l + 1) / 2; if (1LL * mid * mid * mid <= ab) l = mid; else r = mid - 1; } if (1LL * r * r * r == ab && a % r == 0 && b % r == 0) puts("YES"); else puts("NO"); } return 0; }
7
CPP
#include <bits/stdc++.h> namespace chtholly { inline int read() { int x = 0, f = 1; char c = getchar(); for (; !isdigit(c); c = getchar()) f ^= c == '-'; for (; isdigit(c); c = getchar()) x = (x << 3) + (x << 1) + (c ^ '0'); return f ? x : -x; } template <typename mitsuha> inline bool read(mitsuha &x) { x = 0; int f = 1; char c = getchar(); for (; !isdigit(c) && ~c; c = getchar()) f ^= c == '-'; if (!~c) return 0; for (; isdigit(c); c = getchar()) x = (x << 3) + (x << 1) + (c ^ '0'); return x = f ? x : -x, 1; } template <typename mitsuha> inline int write(mitsuha x) { if (!x) return 0 & putchar(48); if (x < 0) x = -x, putchar('-'); int bit[20], i, p = 0; for (; x; x /= 10) bit[++p] = x % 10; for (i = p; i; --i) putchar(bit[i] + 48); return 0; } inline char fuhao() { char c = getchar(); for (; isspace(c); c = getchar()) ; return c; } } // namespace chtholly using namespace chtholly; using namespace std; long long T, a, b, t; inline long long gcd(long long u, long long v) { for (; u && v && u != v;) { swap(u, v); u %= v; } return max(u, v); } int main() { long long i, j, l, r, mid, t, ji, g, ji2; cin >> T; while (T--) { scanf("%lld%lld", &a, &b); ji = ji2 = a * b; a = b = gcd(a, b); g = gcd(a, ji), ji /= g, a /= g; a *= b; g = gcd(a, ji), ji /= g, a /= g; a *= b; g = gcd(a, ji), ji /= g, a /= g; if (ji > 1) { puts("No"); continue; } for (l = 1, r = 1000001; l < r;) { mid = ((l + r) >> 1); t = mid * mid * mid; if (t < ji2) l = mid + 1; else r = mid; } if (l * l * l != ji2) puts("No"); else puts("Yes"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 9; long long gcd(long long a, long long b) { long long c; while (b) { c = a % b; a = b; b = c; } return a; } int main() { int t; ios::sync_with_stdio(0); cin >> t; while (t--) { long long a, b; cin >> a >> b; long long tmp = a * b; tmp = pow(tmp, 1.0 / 3.0); if (tmp * tmp * tmp != a * b) { tmp++; } if (tmp * tmp * tmp != a * b) { cout << "No" << endl; continue; } if (tmp > a || tmp > b) { cout << "No" << endl; continue; } if (gcd(tmp, a) != tmp || gcd(tmp, b) != tmp) { cout << "No" << endl; continue; } cout << "Yes" << endl; } }
7
CPP
#include <bits/stdc++.h> using namespace std; const long double pi = 3.1415926535897932384626433832795l; template <typename T> inline auto sqr(T x) -> decltype(x * x) { return x * x; } template <typename T1, typename T2> inline bool umx(T1& a, T2 b) { if (a < b) { a = b; return 1; } return 0; } template <typename T1, typename T2> inline bool umn(T1& a, T2 b) { if (b < a) { a = b; return 1; } return 0; } const int N = 31; int d[N][N]; vector<int> p; bool check(int a) { for (int i = 2; 1ll * i * i <= a; ++i) { if (a % i == 0) return 0; } return 1; } set<int> sq; int main() { cout.setf(ios::showpoint | ios::fixed); cout.precision(20); memset(d, 0, sizeof(d)); d[0][0] = 1; for (int i = int(2); i < int(1000); ++i) { if (check(i)) { p.push_back(i); } } for (int i = int(0); i < int(N); ++i) { for (int j = int(0); j < int(N); ++j) { if (!d[i][j]) continue; for (int k = int(0); k < int(N); ++k) { if (i + 2 * k < N && j + k < N) { d[i + 2 * k][j + k] = N; } if (i + k < N && j + 2 * k < N) { d[i + k][j + 2 * k] = N; } } } } for (int i = 1; i * i <= 1000000000; ++i) { if (check(i)) sq.insert(i * i); } int n; cin >> n; for (int i = int(0); i < int(n); ++i) { int a, b; scanf("%d %d", &a, &b); bool ok = 1; for (auto prime : p) { int kola = 0, kolb = 0; while (a % prime == 0) { a /= prime, kola++; } while (b % prime == 0) { b /= prime, kolb++; } if (!d[kola][kolb]) { ok = 0; break; } } if (ok && ((a == b && a == 1) || (sq.find(a) != sq.end() && 1ll * b * b == a) || (sq.find(b) != sq.end() && 1ll * a * a == b))) { puts("Yes"); } else { puts("No"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; bool solve() { int a, b; scanf("%d %d", &a, &b); int both = int(floor(pow((double)a * b, 1.0 / 3) + 0.5)); if (both == 0) return a == 1 && b == 1; if (a % both != 0 || b % both != 0) return false; if ((long long)a * b != (long long)both * both * both) return false; long long A = a / both; long long B = b / both; if (B * B * A != b || A * A * B != a) return false; return true; } int main() { int t; cin >> t; while (t--) { if (solve()) puts("Yes"); else puts("No"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int T; scanf("%d", &T); while (T--) { int a, b; scanf("%d%d", &a, &b); int64_t x = a * (int64_t)b, y = cbrtl(x) + 0.5; puts(y * y * y == x && a % y == 0 && b % y == 0 ? "Yes" : "No"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { if (a < b) swap(a, b); if (b == 0) return a; return gcd(b, a % b); } int main() { unordered_set<int> cube; for (int i = 1; i <= 1000; i++) cube.insert(i * i * i); int N; scanf("%d", &N); for (int i = 0; i < N; i++) { int a, b, c, d; scanf("%d%d", &a, &b); int t = gcd(a, b); c = a / t; d = b / t; long long q = 1LL * c * d; if (t % q != 0) { printf("No\n"); } else { int r = t / q; if (cube.find(r) == cube.end()) printf("No\n"); else printf("Yes\n"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; using lint = long long; void solve(istream& cin, ostream& cout) { int n; cin >> n; for (int in = (0); in < int(n); ++in) { lint a, b; cin >> a >> b; lint c = a * b; lint x = lint(pow(c, 1.0 / 3)) - 3; x = max<lint>(1, x); bool ok = false; while (x * x * x <= c) { if (x * x * x == c) { ok = true; break; } x++; } if (ok && a % x == 0 && b % x == 0) { cout << "Yes\n"; } else { cout << "No\n"; } } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); solve(cin, cout); return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; vector<long long int> cube; int main() { int t, u, v; long long int x; for (long long int i = 1; i <= 1000000; i++) cube.push_back(i * i * i); scanf("%d", &t); while (t--) { scanf("%d %d", &u, &v); x = (long long int)u * v; int p = lower_bound(cube.begin(), cube.end(), x) - cube.begin() + 1; if (cube[p - 1] != x) puts("No"); else { if ((u % p) || (v % p)) puts("No"); else puts("Yes"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int inf = 1e9 + 9; const int mod = 1e9 + 7; int n, m, k; const int MX = 1000010; int sito[MX + 5]; vector<int> primes; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t; cin >> t; while (t--) { long long int a, b; cin >> a >> b; long long int ilo = a * b; long long int x = 1, y = MX; while (x < y) { long long int sr = (x + y) / 2; if (sr * sr * sr < ilo) x = ++sr; else y = sr; } bool odp = 1; if (x * x * x != ilo) odp = 0; else { if (a % x != 0) odp = 0; if (b % x != 0) odp = 0; } if (odp) cout << "Yes\n"; else cout << "No\n"; } }
7
CPP
import os import sys from io import BytesIO, IOBase # region fastio BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") # ------------------------------ def RL(): return map(int, sys.stdin.readline().rstrip().split()) def RLL(): return list(map(int, sys.stdin.readline().rstrip().split())) def N(): return int(input()) def comb(n, m): return factorial(n) / (factorial(m) * factorial(n - m)) if n >= m else 0 def perm(n, m): return factorial(n) // (factorial(n - m)) if n >= m else 0 def mdis(x1, y1, x2, y2): return abs(x1 - x2) + abs(y1 - y2) mod = 998244353 INF = float('inf') from math import factorial from collections import Counter, defaultdict, deque from heapq import heapify, heappop, heappush from math import pow # ------------------------------ def main(): for _ in range(N()): a, b = RL() mt = a*b res = round(pow(mt, 1/3)) if res**3==mt and a%res==0 and b%res==0: print('Yes') else: print('No') if __name__ == "__main__": main()
7
PYTHON3
#include <bits/stdc++.h> using namespace std; void boost() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } long long cubic_root(long long x) { long long l = 0, r = 2000005; while (l != r) { long long m = (l + r + 1) / 2; if (m * m * m > x) r = m - 1; else l = m; } return l; } int main(void) { boost(); long long t; cin >> t; while (t--) { long long a, b, flag = 0; cin >> a >> b; long long x = a * b; long long n = cubic_root(x); long long t1 = n * n * n; if (t1 != x) { flag = 1; } if (flag) cout << "NO" << "\n"; else { if (a % n == 0 && b % n == 0) { cout << "YES" << "\n"; } else cout << "NO" << "\n"; } } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } long long lcm(long long a, long long b) { return a * b / gcd(a, b); } struct custom_hash { static uint64_t splitmix64(uint64_t x) { x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); inline int64_t random_long(long long l = LLONG_MIN, long long r = LLONG_MAX) { uniform_int_distribution<int64_t> generator(l, r); return generator(rng); } void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } const long long inf = 1e18; const int32_t M = 1e9 + 7; const int32_t MM = 998244353; bool isPowerOfTwo(long long x) { return x && (!(x & (x - 1))); } long long binpow(long long a, long long b, long long m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } const int N = 2e6 + 1; void solve() { long long a, b; cin >> a >> b; long long target = a * b; long long l = 0; long long r = 1e6, mid, d; bool k = false; while (l <= r) { mid = l + (r - l) / 2; d = mid * mid * mid; if (d == target) { k = true; break; } if (d < target) { l = mid + 1; } else { r = mid - 1; } } if (k == true && a % mid == 0 && b % mid == 0) { cout << "Yes" << "\n"; } else { cout << "No" << "\n"; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long t = 1; cin >> t; while (t--) { solve(); } cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; bool cmp(pair<long long, long long> a, pair<long long, long long> b) { if (a.second == b.second) return a.first < b.first; return a.second < b.second; } int main() { ios::sync_with_stdio(false); cin.tie(0); long long m, a, ans, c, g, d; cin >> m; while (m--) { cin >> a >> c; ans = 0; for (int b = 1e6; b >= 1; b /= 2) { while ((ans + b) * (ans + b) * (ans + b) <= c * a) ans += b; } if (ans * ans * ans == c * a) { if (c % ans == 0 && a % ans == 0) cout << "yes"; else cout << "no"; } else cout << "no"; cout << "\n"; } return 0; }
7
CPP
# ---------------------------iye ha aam zindegi--------------------------------------------- import math import heapq, bisect import sys from collections import deque, defaultdict from fractions import Fraction mod = 10 ** 9 + 7 mod1 = 998244353 # ------------------------------warmup---------------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") # -------------------game starts now----------------------------------------------------import math class TreeNode: def __init__(self, k, v): self.key = k self.value = v self.left = None self.right = None self.parent = None self.height = 1 self.num_left = 1 self.num_total = 1 class AvlTree: def __init__(self): self._tree = None def add(self, k, v): if not self._tree: self._tree = TreeNode(k, v) return node = self._add(k, v) if node: self._rebalance(node) def _add(self, k, v): node = self._tree while node: if k < node.key: if node.left: node = node.left else: node.left = TreeNode(k, v) node.left.parent = node return node.left elif node.key < k: if node.right: node = node.right else: node.right = TreeNode(k, v) node.right.parent = node return node.right else: node.value = v return @staticmethod def get_height(x): return x.height if x else 0 @staticmethod def get_num_total(x): return x.num_total if x else 0 def _rebalance(self, node): n = node while n: lh = self.get_height(n.left) rh = self.get_height(n.right) n.height = max(lh, rh) + 1 balance_factor = lh - rh n.num_total = 1 + self.get_num_total(n.left) + self.get_num_total(n.right) n.num_left = 1 + self.get_num_total(n.left) if balance_factor > 1: if self.get_height(n.left.left) < self.get_height(n.left.right): self._rotate_left(n.left) self._rotate_right(n) elif balance_factor < -1: if self.get_height(n.right.right) < self.get_height(n.right.left): self._rotate_right(n.right) self._rotate_left(n) else: n = n.parent def _remove_one(self, node): """ Side effect!!! Changes node. Node should have exactly one child """ replacement = node.left or node.right if node.parent: if AvlTree._is_left(node): node.parent.left = replacement else: node.parent.right = replacement replacement.parent = node.parent node.parent = None else: self._tree = replacement replacement.parent = None node.left = None node.right = None node.parent = None self._rebalance(replacement) def _remove_leaf(self, node): if node.parent: if AvlTree._is_left(node): node.parent.left = None else: node.parent.right = None self._rebalance(node.parent) else: self._tree = None node.parent = None node.left = None node.right = None def remove(self, k): node = self._get_node(k) if not node: return if AvlTree._is_leaf(node): self._remove_leaf(node) return if node.left and node.right: nxt = AvlTree._get_next(node) node.key = nxt.key node.value = nxt.value if self._is_leaf(nxt): self._remove_leaf(nxt) else: self._remove_one(nxt) self._rebalance(node) else: self._remove_one(node) def get(self, k): node = self._get_node(k) return node.value if node else -1 def _get_node(self, k): if not self._tree: return None node = self._tree while node: if k < node.key: node = node.left elif node.key < k: node = node.right else: return node return None def get_at(self, pos): x = pos + 1 node = self._tree while node: if x < node.num_left: node = node.left elif node.num_left < x: x -= node.num_left node = node.right else: return (node.key, node.value) raise IndexError("Out of ranges") @staticmethod def _is_left(node): return node.parent.left and node.parent.left == node @staticmethod def _is_leaf(node): return node.left is None and node.right is None def _rotate_right(self, node): if not node.parent: self._tree = node.left node.left.parent = None elif AvlTree._is_left(node): node.parent.left = node.left node.left.parent = node.parent else: node.parent.right = node.left node.left.parent = node.parent bk = node.left.right node.left.right = node node.parent = node.left node.left = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) def _rotate_left(self, node): if not node.parent: self._tree = node.right node.right.parent = None elif AvlTree._is_left(node): node.parent.left = node.right node.right.parent = node.parent else: node.parent.right = node.right node.right.parent = node.parent bk = node.right.left node.right.left = node node.parent = node.right node.right = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) @staticmethod def _get_next(node): if not node.right: return node.parent n = node.right while n.left: n = n.left return n avl=AvlTree() #-----------------------------------------------binary seacrh tree--------------------------------------- class SegmentTree1: def __init__(self, data, default='z', func=lambda a, b: min(a ,b)): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------game starts now----------------------------------------------------import math class SegmentTree: def __init__(self, data, default=0, func=lambda a, b: a + b): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------------------iye ha chutiya zindegi------------------------------------- class Factorial: def __init__(self, MOD): self.MOD = MOD self.factorials = [1, 1] self.invModulos = [0, 1] self.invFactorial_ = [1, 1] def calc(self, n): if n <= -1: print("Invalid argument to calculate n!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.factorials): return self.factorials[n] nextArr = [0] * (n + 1 - len(self.factorials)) initialI = len(self.factorials) prev = self.factorials[-1] m = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = prev * i % m self.factorials += nextArr return self.factorials[n] def inv(self, n): if n <= -1: print("Invalid argument to calculate n^(-1)") print("n must be non-negative value. But the argument was " + str(n)) exit() p = self.MOD pi = n % p if pi < len(self.invModulos): return self.invModulos[pi] nextArr = [0] * (n + 1 - len(self.invModulos)) initialI = len(self.invModulos) for i in range(initialI, min(p, n + 1)): next = -self.invModulos[p % i] * (p // i) % p self.invModulos.append(next) return self.invModulos[pi] def invFactorial(self, n): if n <= -1: print("Invalid argument to calculate (n^(-1))!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.invFactorial_): return self.invFactorial_[n] self.inv(n) # To make sure already calculated n^-1 nextArr = [0] * (n + 1 - len(self.invFactorial_)) initialI = len(self.invFactorial_) prev = self.invFactorial_[-1] p = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = (prev * self.invModulos[i % p]) % p self.invFactorial_ += nextArr return self.invFactorial_[n] class Combination: def __init__(self, MOD): self.MOD = MOD self.factorial = Factorial(MOD) def ncr(self, n, k): if k < 0 or n < k: return 0 k = min(k, n - k) f = self.factorial return f.calc(n) * f.invFactorial(max(n - k, k)) * f.invFactorial(min(k, n - k)) % self.MOD # --------------------------------------iye ha combinations ka zindegi--------------------------------- def powm(a, n, m): if a == 1 or n == 0: return 1 if n % 2 == 0: s = powm(a, n // 2, m) return s * s % m else: return a * powm(a, n - 1, m) % m # --------------------------------------iye ha power ka zindegi--------------------------------- def sort_list(list1, list2): zipped_pairs = zip(list2, list1) z = [x for _, x in sorted(zipped_pairs)] return z # --------------------------------------------------product---------------------------------------- def product(l): por = 1 for i in range(len(l)): por *= l[i] return por # --------------------------------------------------binary---------------------------------------- def binarySearchCount(arr, n, key): left = 0 right = n - 1 count = 0 while (left <= right): mid = int((right + left)/ 2) # Check if middle element is # less than or equal to key if (arr[mid]<=key): count = mid+1 left = mid + 1 # If key is smaller, ignore right half else: right = mid - 1 return count # --------------------------------------------------binary---------------------------------------- def countdig(n): c = 0 while (n > 0): n //= 10 c += 1 return c def countGreater( arr,n, k): l = 0 r = n - 1 # Stores the index of the left most element # from the array which is greater than k leftGreater = n # Finds number of elements greater than k while (l <= r): m = int(l + (r - l) / 2) if (arr[m] >= k): leftGreater = m r = m - 1 # If mid element is less than # or equal to k update l else: l = m + 1 # Return the count of elements # greater than k return (n - leftGreater) # --------------------------------------------------binary------------------------------------ for i in range(int(input())): a,b=map(int,input().split()) #c=a*b l=int((a*b)**(1/3)+0.5) if l**3==a*b and a%l==0 and b%l==0: print("YES") else: print("NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 16; int lpf[N]; void init() { memset(lpf, -1, sizeof(lpf)); for (int n = 2; n < N; n++) { if (lpf[n] == -1) { lpf[n] = n; if (n < N / n) { for (int m = n * n; m < N; m += n) { if (lpf[m] == -1) lpf[m] = n; } } } } } inline int cbrt(long long n) { int lo = 1, hi = 1000000; while (lo <= hi) { int mi = (lo + hi) / 2; long long tmp = mi * 1LL * mi * mi; if (tmp < n) lo = mi + 1; else if (tmp > n) hi = mi - 1; else return mi; } return -1; } int main() { ios::sync_with_stdio(false); cin.tie(NULL); cout << setprecision(32); init(); int n; cin >> n; while (n--) { long long a, b; cin >> a >> b; int x = cbrt(a * b); if (x == -1) { cout << "No" << '\n'; } else { bool flg = true; while (x > 1) { int p = lpf[x]; while (x % p == 0) { x /= p; } int cnt1 = 0; int cnt2 = 0; while (a % p == 0) { a /= p; cnt1++; } while (b % p == 0) { b /= p; cnt2++; } int x = (cnt1 + cnt2) / 3; if (x > cnt1 || x > cnt2) { flg = false; break; } } if (flg) cout << "Yes" << '\n'; else cout << "No" << '\n'; } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long a, i, x, y; scanf("%I64d ", &a); while (a--) { scanf("%I64d %I64d", &x, &y); i = ceil(cbrt(x * y)); if (x % i == 0 && y % i == 0 && (x * y) % i == 0) { printf("Yes\n"); } else printf("No\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t; cin >> t; while (t-- > 0) { long long a, b; cin >> a >> b; string res = "No\n"; long long raiz = cbrt(a * b); for (long long i = max(1LL, raiz - 2); i < raiz + 2; ++i) { if (a * b == i * i * i && a % i == 0 && b % i == 0) { res = "Yes\n"; break; } } cout << res; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long pow3(long long a, long long b, long long m = 1000000007) { long long res = 1; while (b > 0) { if (b & 1) res = (res * a) % m; a = (a * a) % m; b >>= 1; } return res; } void solve() { long long a, b; scanf("%lld %lld", &a, &b); long long s = 0, e = 1e6 + 1; while (s < e) { long long m = (s + e) / 2; if (m * m * m < a * b) s = m + 1; else e = m; } if (s * s * s == a * b && a % s == 0 && b % s == 0) printf("Yes\n"); else printf("No\n"); } int main() { int q = 1; scanf("%d", &q); while (q--) { solve(); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; template <typename T> map<T, long long int> factorize(T x) { map<T, long long int> res; for (long long int i = 2; i * i <= x; i++) { while (x % i == 0) { x /= i; res[i]++; } } if (x != 1) res[x]++; return res; } int main() { cin.tie(0); ios::sync_with_stdio(false); int qq; cin >> qq; while (qq--) { long long int a, b; cin >> a >> b; if (a * a % b || b * b % a) { printf("No\n"); continue; } long long int left = 0, right = 1e6 + 1; while (right - left > 1) { long long int mid = (left + right) / 2; if (mid * mid * mid <= a * b) { left = mid; } else { right = mid; } } if (left * left * left == a * b) { printf("Yes\n"); } else { printf("No\n"); } } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long int power(long long int a, long long int b, long long int m) { long long int ans = 1; while (b) { if (b & 1) { ans = ((ans % m) * (a % m)) % m; } a = ((a % m) * (a % m)) % m; b = b >> 1; } return ans; } long long int powe(long long int a, long long int b) { long long int ans = 1; while (b) { if (b & 1) { ans = a * ans; } a = a * a; b = b >> 1; } return ans; } long long int ncr(long long int n, long long int r) { r = ((r < n - r) ? (r) : (n - r)); long long int ans = 1; for (int i = 0; i < r; i++) { ans *= (n - i); ans /= (i + 1); } return ans; } long long int spf[1000005]; void sieve() { long long int n = 1000002; for (int i = 2; i <= n; i += 2) { spf[i] = 2; } for (int i = 3; i <= n; i += 2) { spf[i] = i; } for (int i = 3; i * i <= n; i += 2) { if (spf[i] == i) { for (int j = i * i; j <= n; j += i) { if (spf[j] == j) { spf[j] = i; } } } } } set<long long int> calc(long long int n) { long long int newn = n; set<long long int> facors; while (n % 2 == 0) { facors.insert(2); n = n / 2; } for (int i = 3; i * i <= n; i += 2) { while (n % i == 0) { facors.insert(i); n = n / i; } } if (n > 1) { facors.insert(n); } set<long long int> x1; for (auto i : facors) { if (newn / i >= 2) x1.insert(newn - i + 1); } return x1; } void solve() { long long int a, b; cin >> a >> b; long long int c = cbrt(a * b); if (c * c * c < a * b) { c++; } if (c * c * c == a * b) { if (a % c != 0) { cout << "NO\n"; return; } if (b % c != 0) { cout << "NO\n"; return; } } else { cout << "NO\n"; return; } cout << "YES\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); ; long long int t = 1; cin >> t; while (t > 0) { solve(); t--; } }
7
CPP
#include <bits/stdc++.h> using namespace std; void solve() { long long int a, b; cin >> a >> b; long long int prod = a * b; long long int l = 1; long long int r = 1e6; long long int mid; while (l <= r) { mid = (l + r) / 2; if (mid * mid * mid == prod) { break; } if (mid * mid * mid < prod) { l = mid + 1; } else { r = mid - 1; } } if (mid * mid * mid == prod && a % mid == 0 && b % mid == 0) { cout << "YES" << "\n"; } else { cout << "NO" << "\n"; } } signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long int t = 1; cin >> t; while (t--) { solve(); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ios::sync_with_stdio(false); ll n; cin >> n; ll a, b, x, y, m; while (n--) { cin >> a >> b; x = 0, y = 1000000; while (x <= y) { m = x + (y - x) / 2; if (m * m * m == a * b) { x = m; break; } if (m * m * m > a * b) y = m - 1; else x = m + 1; } if (a % x or b % x) printf("No\n"); else printf("Yes\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int T; cin >> T; int cnt = 1; while (T--) { long long A, B, C; scanf("%lld %lld", &A, &B); C = A * B; long long sm = (long long)(pow(C, 1 / 3.0) + 0.5); if (sm * sm * sm != C || sm > min(A, B) || A % sm || B % sm) printf("No\n"); else printf("Yes\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; int n, i, j, k, x, y, w, path_w, m, a[100500]; int gcd(int a, int b) { return (b == 0 ? a : gcd(b, a % b)); } int main() { cin >> n; for (i = 0; i < n; i++) { scanf("%d %d", &x, &y); int g = gcd(x, y); int dlfjl = x / g, y1 = y / g; if (y % (1LL * y1 * y1 * dlfjl) != 0 || x % (1LL * dlfjl * dlfjl * y1) != 0) { printf("No\n"); continue; } y /= (1LL * y1 * y1 * dlfjl); x /= (1LL * dlfjl * dlfjl * y1); if (x != y) { printf("No\n"); continue; } int tmp = exp(1. / 3 * log(x)); tmp--; while (1LL * tmp * tmp * tmp < x) tmp++; if (tmp * tmp * tmp == x) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int T; scanf("%d", &T); while (T--) { long long x, y, le = 1, ri = 1e6, mi, o; scanf("%lld%lld", &x, &y); while (le + 1 < ri) { mi = (le + ri) >> 1; if (mi * mi * mi > x * y) ri = mi; else le = mi; } if (le * le * le == x * y) o = le; else o = ri; if (o * o * o != x * y) { puts("No"); continue; } if (x % o == 0 && y % o == 0) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int bin(long long a, long long b) { long long t = a * b; long long l = 1, h = 1E6, m; while (l <= h) { m = (l + h) / 2; if (m * m * m == t) return m; if (m * m * m > t) { h = m - 1; } else { l = m + 1; } } return 0; } int main() { long long a, b; int n, i, c = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%lld %lld", &a, &b); c = bin(a, b); if (c && a % c == 0 && b % c == 0) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; void fileio() {} vector<vector<long long int>> g; long long int cube_root(long long int x) { long long int lo = 0, hi = 1e6 + 10; while (lo <= hi) { long long int m = (lo + hi) / 2; long long int val = m * m * m; if (val == x) return m; if (val > x) { hi = m - 1; } else { lo = m + 1; } } return -1; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); fileio(); long long int t; cin >> t; while (t-- > 0) { long long int a, b; cin >> a >> b; long long int x = a * b; long long int c = cube_root(x); if (c == -1) { cout << "NO"; cout << '\n'; continue; } if (a % c != 0 or b % c != 0) { cout << "NO"; cout << '\n'; continue; } cout << "YES"; cout << '\n'; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long a, b, c, x; int n; long long s3(long long x) { long long l = 1, r = 1e6, res = -1; while (l <= r) { long long mid = (l + r) >> 1, val = mid * mid * mid; if (val == x) return mid; if (val < x) l = mid + 1; if (val > x) r = mid - 1; } return -1; } int main() { scanf("%d", &n); while (n--) { scanf("%I64d%I64d", &a, &b); c = a * b; x = s3(c); if (x != -1 && a % x == 0 && b % x == 0) puts("Yes"); else puts("No"); } return 0; }
7
CPP
import io import os input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline t = int(input()) for tc in range(t): a, b = map(int, input().split()) cbrt = round(pow(a*b, 1/3)) if pow(cbrt, 3) == a*b: if a % cbrt == b % cbrt == 0: print("Yes") continue print("No")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long rt3(long long x) { long long l = 0, r = 1e6; for (int i = 0; i < 30; i++) { long long h = (l + r) / 2; if (h * h * h < x) { l = h; } else { r = h; } } return r; } long long min(long long a, long long b) { return a < b ? a : b; } bool possible(long long a, long long b) { long long t = rt3(a * b); if (t * t * t != a * b) { return false; } else if (a % t != 0) { return false; } else if (b % t != 0) { return false; } return true; } int main() { ios_base::sync_with_stdio(false); int n; cin >> n; for (int i = 0; i < n; i++) { long long a, b; cin >> a >> b; if (possible(a, b)) { printf("Yes\n"); } else { printf("No\n"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long GCD(long long x, long long y) { while (y != 0) { long long t = x % y; x = y; y = t; } return x; } long long n, a, b; long long cs; bool calc() { scanf("%lld %lld", &a, &b); long long g = GCD(a, b); long long p = a / g; long long q = b / g; long long pq = p * q; bool ret = (g % pq == 0); if (ret) { long long r = g / pq; long long i = 1; while (i * i * i < r) { i++; } if (i * i * i == r) return true; } return false; } int main() { scanf("%lld", &n); while (cs < n) { cs++; bool ans = calc(); if (ans) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const long long MOD = 1e9 + 7; const long long INF = 1e9 + 9; const long long N = 500500; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); vector<long long> cube; for (long long i = 1; i <= 1e6; i++) { cube.push_back(i * i * i); } long long T; cin >> T; while (T--) { long long a, b; cin >> a >> b; bool ok = false; auto it = lower_bound((cube).begin(), (cube).end(), a * b); if (it != cube.end()) { long long cr = (it - cube.begin() + 1); if (a % cr == 0 && b % cr == 0) { ok = true; } } cout << (ok ? "Yes" : "No") << '\n'; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int MAXR = 1000005; long long cubic_root(long long x) { long long l = 0, r = MAXR; while (l != r) { long long m = (l + r + 1) / 2; if (m * m * m > x) r = m - 1; else l = m; } return l; } int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { long long a, b; scanf("%lld %lld", &a, &b); long long x = cubic_root(a * b); if (x * x * x != a * b) puts("No"); else if (a % x == 0 && b % x == 0) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e3 + 5; int t; long long a, b; long long cubic_root(long long x) { long long lo = 1, hi = 1e6, mid; while (lo < hi) { mid = (lo + hi) / 2; if (mid * mid * mid < x) lo = mid + 1; else hi = mid; } return lo; } int main() { scanf("%d", &t); while (t--) { scanf("%lld %lld", &a, &b); long long crt = cubic_root(a * b); if (crt * crt * crt == a * b && a % crt == 0 && b % crt == 0) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long mod = 1000000007LL; long long base = 37; long long large = 1000000000000000000LL; bool iscube(int x) { int low = 1; int high = 1000; int mid; int ans = 1; while (low <= high) { mid = (low + high) / 2; if (mid * mid * mid <= x) { ans = mid; low = mid + 1; } else { high = mid - 1; } } return ans * ans * ans == x; } int gcd(int x, int y) { if (y == 0) return x; return gcd(y, x % y); } int main() { int n; cin >> n; while (n--) { int a, b; scanf("%d%d", &a, &b); int d = gcd(a, b); int aa = a / d; int bb = b / d; if (d % (aa * bb) == 0 && iscube(d / aa / bb)) { printf("Yes\n"); } else { printf("No\n"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; bool vis[100010]; int pr[100010], e; void Shai() { vis[1] = true; for (long long i = 2; i <= 1000ll; i++) { if (!vis[i]) { pr[++e] = i; for (long long j = i * i; j <= 1000ll; j += i) { vis[j] = true; } } } } int n, cnta[100010]; int main() { Shai(); int x, y; scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%d%d", &x, &y); int X = x; for (int j = 1; j <= e; ++j) { if (X % pr[j] == 0) { while (X % pr[j] == 0) { X /= pr[j]; ++cnta[j]; } } } bool lose = 0; for (int j = 1; j <= e; ++j) { int cntb = 0; if (y % pr[j] == 0) { while (y % pr[j] == 0) { y /= pr[j]; ++cntb; } } if ((cnta[j] + cntb) % 3 != 0) { lose = 1; break; } else if (min(cnta[j], cntb) * 2 < max(cnta[j], cntb)) { lose = 1; break; } } if (!(X == 1 && y == 1) && !((long long)min(X, y) * (long long)min(X, y) == (long long)max(X, y))) { lose = 1; } for (int j = 1; j <= e; ++j) { cnta[j] = 0; } if (!lose) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int n; long long x, y, m; double ret; int main() { scanf("%d", &n); while (n--) { scanf("%lld %lld", &x, &y); ret = pow((double)(x * y), 1.0 / 3.0); m = round(ret); if (m * m * m != (x * y) || x % m || y % m) puts("No"); else puts("Yes"); } return 0; }
7
CPP
import os, sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") for _ in range(int(input())): a, b = map(int, input().split()) q = a * b t = round(q ** (1 / 3)) if t * t * t == q and a % t == b % t == 0: print('YES') else: print('NO')
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int a, b, k, u, v; map<int, bool> OK; int GCD(int a, int b) { return b == 0 ? a : GCD(b, a % b); } void solve() { scanf("%d%d", &a, &b); k = GCD(a, b); u = a / k; v = b / k; if (k % u != 0) { puts("No"); return; } else k /= u; if (k % v != 0) { puts("No"); return; } else k /= v; if (!OK[k]) { puts("No"); return; } puts("Yes"); } void init() { for (int i = 1; i <= 1000; i++) OK[i * i * i] = true; } int main() { init(); int nT; scanf("%d", &nT); while (nT--) solve(); }
7
CPP
#include <bits/stdc++.h> int main() { std::ios::sync_with_stdio(0); std::cin.tie(0); int number; std::cin >> number; while (number--) { int a, b; std::cin >> a >> b; int const c = (int)std::round(std::cbrt(a * (int64_t)b)); std::cout << ((int64_t)c * c * c == (int64_t)a * b and a % c == 0 and b % c == 0 ? "Yes\n" : "No\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long ff(long long a) { long long le = 1, ri = 1000010; while (le <= ri) { long long mi = (le + ri) / 2; if (mi * mi * mi > a) ri = mi - 1; else le = mi + 1; } return ri; } int main() { int _; scanf("%d", &_); while (_--) { int a, b; scanf("%d%d", &a, &b); long long xy = ff((long long)a * b); long long x = a / xy; long long y = b / xy; if (a == x * x * y && b == x * y * y) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long pwr(long long base, long long p, long long mod = (1000000007LL)) { long long ans = 1; while (p) { if (p & 1) ans = (ans * base) % mod; base = (base * base) % mod; p /= 2; } return ans; } long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } const int N = 1000002; int sieve[N], prime_facs[N]; int main() { for (int i = 2; i < N; i++) if (sieve[i] == 0) { for (int j = i; j < N; j += i) { sieve[j] = 1; if (prime_facs[j] == 0) prime_facs[j] = i; } } int t; scanf("%d", &t); while (t--) { long long a, b; scanf("%lld%lld", &a, &b); long long prod = a * b; long long lo = 1, hi = 1000 * 1000 + 1, ans = 0; ans = cbrt(prod); while (ans * ans * ans < prod) ans++; while (ans * ans * ans > prod) ans--; if (ans * ans * ans != prod) { printf("No\n"); continue; } bool bad = false; while (ans != 1) { int p = prime_facs[ans]; int c1 = 0, c2 = 0, c3 = 0; while (a % p == 0) { a /= p; c1++; } while (b % p == 0) { b /= p; c2++; } while (ans % p == 0) { ans /= p; c3++; } if ((2 * c1 - c2) % 3 != 0 || (2 * c1 < c2)) bad = true; swap(c1, c2); if ((2 * c1 - c2) % 3 != 0 || (2 * c1 < c2)) bad = true; if (bad) break; } if (!bad) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; long long a, b; cin >> n; while (n--) { cin >> a >> b; long long c = a * b; bool ok = false; long long left = 1, right = 1000001; long long ans; while (left <= right) { long long mid = (left + right) / 2; long long now = mid * mid * mid; if (now == c) { ans = mid; ok = 1; break; } if (now > c) right = mid - 1; if (now < c) left = mid + 1; } if (!ok) { cout << "No" << '\n'; } else { if (a % ans == 0 && b % ans == 0) { cout << "Yes" << '\n'; } else cout << "No" << '\n'; } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const long long INF = int(1e6) + 5; long long cubic_root(long long x) { long long l = 0, r = INF, med, answ; while (l <= r) { med = l + (r - l) / 2; if (med * med * med >= x) { answ = med; r = med - 1; } else { l = med + 1; } } return answ; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long n, a, b, x; cin >> n; while (n--) { cin >> a >> b; x = cubic_root(a * b); if (1ll * x * x * x == 1ll * a * b && a % x == 0 && b % x == 0) { cout << "Yes\n"; } else { cout << "No\n"; } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long a, b, c[1234567], d[1234567], c1[1234][1234], e[1234567], n, j, i, l, r, x, y, k, ans; bool used[1234567]; long long T; char ch[1234][1234]; long long vis[1234][1234]; vector<long long> v[1234567], v1; string s1[1234567]; int main() { cin >> T; while (T--) { scanf("%lld%lld", &x, &y); n = x * y; a = pow(n, 1.0 / 3) + 0.5; if (a * a * a != n || x % a > 0 || y % a > 0) { puts("NO"); } else puts("YES"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; inline int read() { int x = 0, f = 0; char ch = getchar(); while (ch < '0' || '9' < ch) f |= ch == '-', ch = getchar(); while ('0' <= ch && ch <= '9') x = x * 10 + ch - '0', ch = getchar(); return f ? -x : x; } int q[31709], tot; bool b[31709]; int gcd(int a, int b) { return !b ? a : gcd(b, a % b); } int main() { for (int i = 2; i <= 31700; i++) if (!b[i]) { q[++tot] = i; for (int a = i + i; a <= 31700; a += i) b[a] = true; } int T = read(); while (T--) { int a = read(), b = read(), c = gcd(a, b); bool F = true; if (c == 1 && a + b != 2) { puts("No"); continue; } if (c == a && a == b) { for (int o = 1; o <= tot; o++) if (q[o] > 1000) break; else if (a % q[o] == 0 && b % q[o] == 0) { int aa = 0, bb = 0; while (a % q[o] == 0) a /= q[o], aa++; while (b % q[o] == 0) b /= q[o], bb++; if (aa < bb) swap(aa, bb); int tmp = aa - bb; aa -= tmp + tmp, bb -= tmp; if (aa < 0 || aa % 3 != 0) { F = false; break; } } else if ((a % q[o] == 0) != (b % q[o] == 0)) { F = false; break; } else if ((a == 1) != (b == 1)) { F = false; break; } else if ((a == 1) && (b == 1)) break; if (a != 1 || b != 1) F = false; puts(F ? "Yes" : "No"); continue; } for (int o = 1; o <= tot; o++) if (a % q[o] == 0 && b % q[o] == 0) { int aa = 0, bb = 0; while (a % q[o] == 0) a /= q[o], aa++; while (b % q[o] == 0) b /= q[o], bb++; if (aa < bb) swap(aa, bb); int tmp = aa - bb; aa -= tmp + tmp, bb -= tmp; if (aa < 0 || aa % 3 != 0) { F = false; break; } } else if ((a % q[o] == 0) != (b % q[o] == 0)) { F = false; break; } else if ((a == 1) != (b == 1)) { F = false; break; } else if ((a == 1) && (b == 1)) break; if (a != 1 || b != 1) F = false; puts(F ? "Yes" : "No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; cin >> t; while (t--) { long long int a, b; cin >> a >> b; long long int p = a * b; long long int st = 1; long long int en = 1e6; long long int ans = -1; while (st <= en) { long long int mid = st + en; mid /= 2; long long int check = mid * mid * mid; if (check < p) { st = mid + 1; } else if (check == p) { ans = mid; break; } else en = mid - 1; } if (ans != -1 && a % ans == 0 && b % ans == 0) { cout << "YES\n"; } else cout << "NO\n"; } cerr << "Time elapsed : " << clock() * 1000.0 / CLOCKS_PER_SEC << "ms" << '\n'; return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; using namespace std; int main() { int n; scanf("%d", &n); while (n--) { long long a, b; scanf("%lld%lld", &a, &b); long long c = cbrt(a * b); long long aa = a / c; long long bb = b / c; if (aa * aa * bb == a && bb * bb * aa == b) { puts("Yes"); } else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int MAXR = 1000005; long long cubic_root(long long x) { long long l = 0, r = MAXR; while (l != r) { long long m = (l + r + 1) / 2; if (m * m * m > x) r = m - 1; else l = m; } return l; } int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { long long a, b; scanf("%I64d %I64d", &a, &b); long long x = cubic_root(a * b); if (x * x * x != a * b) puts("No"); else if (a % x == 0 && b % x == 0) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; for (int i = (0); i < (n); i++) { int a, b; scanf("%d%d", &a, &b); int ret = -1; for (int l = 1, r = 1000000, mid = (l + r) >> 1; l <= r; mid = (l + r) >> 1) if (1ll * mid * mid * mid >= 1ll * a * b) r = (ret = mid) - 1; else l = mid + 1; if (!~ret || 1ll * ret * ret * ret != 1ll * a * b) { printf("No\n"); continue; } if (a % ret != 0 || b % ret != 0) { printf("No\n"); } else { printf("Yes\n"); } } }
7
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using PII = pair<int, int>; using PLL = pair<ll, ll>; template <typename T1, typename T2> ostream& operator<<(ostream& s, const pair<T1, T2>& p) { return s << "(" << p.first << ", " << p.second << ")"; } template <typename T> ostream& operator<<(ostream& s, const vector<T>& v) { s << "["; for (int i = 0; i < v.size(); i++) s << (i == 0 ? "" : ", ") << v[i]; s << "]"; return s; } int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { ll a, b; scanf("%lld %lld", &a, &b); ll ok = 0, ng = 1500000LL; while (ng - ok > 1) { ll mid = (ng + ok) / 2; if (mid * mid * mid <= a * b) { ok = mid; } else { ng = mid; } } ll c = ok; if (c * c * c == a * b && a % c == 0 && b % c == 0) { puts("Yes"); } else { puts("No"); } } return 0; }
7
CPP
#Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") #-------------------game starts now----------------------------------------------------- for t in range (int(input())): a,b=map(int,input().split()) p=a*b #print(p) c=int(round(p**(1./3))) #print (c) if c**3==p and a%c==0 and b%c==0: print("Yes") else: print("No")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } long long lcm(long long a, long long b) { return a * b / gcd(a, b); } struct custom_hash { static uint64_t splitmix64(uint64_t x) { x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); inline int64_t random_long(long long l = LLONG_MIN, long long r = LLONG_MAX) { uniform_int_distribution<int64_t> generator(l, r); return generator(rng); } void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } const long long inf = 1e18; const int32_t M = 1e9 + 7; const int32_t MM = 998244353; bool isPowerOfTwo(long long x) { return x && (!(x & (x - 1))); } long long binpow(long long a, long long b, long long m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } const int N = 2e6 + 1; void solve() { long long a, b; cin >> a >> b; long long target = a * b; long long l = 1; long long r = 1e6, mid, d; bool k = false; while (l <= r) { mid = l + (r - l) / 2; d = mid * mid * mid; if (d == target) { k = true; break; } if (d < target) { l = mid + 1; } else { r = mid - 1; } } if (k == true && a % mid == 0 && b % mid == 0) { cout << "Yes" << "\n"; } else { cout << "No" << "\n"; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long t = 1; cin >> t; while (t--) { solve(); } cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } long long lcm(long long a, long long b) { return a * b / gcd(a, b); } struct custom_hash { static uint64_t splitmix64(uint64_t x) { x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); inline int64_t random_long(long long l = LLONG_MIN, long long r = LLONG_MAX) { uniform_int_distribution<int64_t> generator(l, r); return generator(rng); } void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } const long long inf = 1e18; const int32_t M = 1e9 + 7; const int32_t MM = 998244353; bool isPowerOfTwo(long long x) { return x && (!(x & (x - 1))); } long long binpow(long long a, long long b, long long m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } const int N = 2e6 + 1; void solve() { long long a, b; cin >> a >> b; long long target = a * b; long long l = 1; long long r = 1e6, mid, d; bool k = false; while (l <= r) { mid = (l + r) >> 1; d = mid * mid * mid; if (d == target) { k = true; break; } if (d < target) { l = mid + 1; } else { r = mid - 1; } } if (k == true && a % mid == 0 && b % mid == 0) { cout << "Yes" << "\n"; } else { cout << "No" << "\n"; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long t = 1; cin >> t; while (t--) { solve(); } cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; }
7
CPP
# ---------------------------iye ha aam zindegi--------------------------------------------- import math import heapq, bisect import sys from collections import deque, defaultdict from fractions import Fraction mod = 10 ** 9 + 7 mod1 = 998244353 # ------------------------------warmup---------------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") # -------------------game starts now----------------------------------------------------import math class TreeNode: def __init__(self, k, v): self.key = k self.value = v self.left = None self.right = None self.parent = None self.height = 1 self.num_left = 1 self.num_total = 1 class AvlTree: def __init__(self): self._tree = None def add(self, k, v): if not self._tree: self._tree = TreeNode(k, v) return node = self._add(k, v) if node: self._rebalance(node) def _add(self, k, v): node = self._tree while node: if k < node.key: if node.left: node = node.left else: node.left = TreeNode(k, v) node.left.parent = node return node.left elif node.key < k: if node.right: node = node.right else: node.right = TreeNode(k, v) node.right.parent = node return node.right else: node.value = v return @staticmethod def get_height(x): return x.height if x else 0 @staticmethod def get_num_total(x): return x.num_total if x else 0 def _rebalance(self, node): n = node while n: lh = self.get_height(n.left) rh = self.get_height(n.right) n.height = max(lh, rh) + 1 balance_factor = lh - rh n.num_total = 1 + self.get_num_total(n.left) + self.get_num_total(n.right) n.num_left = 1 + self.get_num_total(n.left) if balance_factor > 1: if self.get_height(n.left.left) < self.get_height(n.left.right): self._rotate_left(n.left) self._rotate_right(n) elif balance_factor < -1: if self.get_height(n.right.right) < self.get_height(n.right.left): self._rotate_right(n.right) self._rotate_left(n) else: n = n.parent def _remove_one(self, node): """ Side effect!!! Changes node. Node should have exactly one child """ replacement = node.left or node.right if node.parent: if AvlTree._is_left(node): node.parent.left = replacement else: node.parent.right = replacement replacement.parent = node.parent node.parent = None else: self._tree = replacement replacement.parent = None node.left = None node.right = None node.parent = None self._rebalance(replacement) def _remove_leaf(self, node): if node.parent: if AvlTree._is_left(node): node.parent.left = None else: node.parent.right = None self._rebalance(node.parent) else: self._tree = None node.parent = None node.left = None node.right = None def remove(self, k): node = self._get_node(k) if not node: return if AvlTree._is_leaf(node): self._remove_leaf(node) return if node.left and node.right: nxt = AvlTree._get_next(node) node.key = nxt.key node.value = nxt.value if self._is_leaf(nxt): self._remove_leaf(nxt) else: self._remove_one(nxt) self._rebalance(node) else: self._remove_one(node) def get(self, k): node = self._get_node(k) return node.value if node else -1 def _get_node(self, k): if not self._tree: return None node = self._tree while node: if k < node.key: node = node.left elif node.key < k: node = node.right else: return node return None def get_at(self, pos): x = pos + 1 node = self._tree while node: if x < node.num_left: node = node.left elif node.num_left < x: x -= node.num_left node = node.right else: return (node.key, node.value) raise IndexError("Out of ranges") @staticmethod def _is_left(node): return node.parent.left and node.parent.left == node @staticmethod def _is_leaf(node): return node.left is None and node.right is None def _rotate_right(self, node): if not node.parent: self._tree = node.left node.left.parent = None elif AvlTree._is_left(node): node.parent.left = node.left node.left.parent = node.parent else: node.parent.right = node.left node.left.parent = node.parent bk = node.left.right node.left.right = node node.parent = node.left node.left = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) def _rotate_left(self, node): if not node.parent: self._tree = node.right node.right.parent = None elif AvlTree._is_left(node): node.parent.left = node.right node.right.parent = node.parent else: node.parent.right = node.right node.right.parent = node.parent bk = node.right.left node.right.left = node node.parent = node.right node.right = bk if bk: bk.parent = node node.height = max(self.get_height(node.left), self.get_height(node.right)) + 1 node.num_total = 1 + self.get_num_total(node.left) + self.get_num_total(node.right) node.num_left = 1 + self.get_num_total(node.left) @staticmethod def _get_next(node): if not node.right: return node.parent n = node.right while n.left: n = n.left return n avl=AvlTree() #-----------------------------------------------binary seacrh tree--------------------------------------- class SegmentTree1: def __init__(self, data, default='z', func=lambda a, b: min(a ,b)): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------game starts now----------------------------------------------------import math class SegmentTree: def __init__(self, data, default=0, func=lambda a, b: a + b): """initialize the segment tree with data""" self._default = default self._func = func self._len = len(data) self._size = _size = 1 << (self._len - 1).bit_length() self.data = [default] * (2 * _size) self.data[_size:_size + self._len] = data for i in reversed(range(_size)): self.data[i] = func(self.data[i + i], self.data[i + i + 1]) def __delitem__(self, idx): self[idx] = self._default def __getitem__(self, idx): return self.data[idx + self._size] def __setitem__(self, idx, value): idx += self._size self.data[idx] = value idx >>= 1 while idx: self.data[idx] = self._func(self.data[2 * idx], self.data[2 * idx + 1]) idx >>= 1 def __len__(self): return self._len def query(self, start, stop): if start == stop: return self.__getitem__(start) stop += 1 start += self._size stop += self._size res = self._default while start < stop: if start & 1: res = self._func(res, self.data[start]) start += 1 if stop & 1: stop -= 1 res = self._func(res, self.data[stop]) start >>= 1 stop >>= 1 return res def __repr__(self): return "SegmentTree({0})".format(self.data) # -------------------------------iye ha chutiya zindegi------------------------------------- class Factorial: def __init__(self, MOD): self.MOD = MOD self.factorials = [1, 1] self.invModulos = [0, 1] self.invFactorial_ = [1, 1] def calc(self, n): if n <= -1: print("Invalid argument to calculate n!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.factorials): return self.factorials[n] nextArr = [0] * (n + 1 - len(self.factorials)) initialI = len(self.factorials) prev = self.factorials[-1] m = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = prev * i % m self.factorials += nextArr return self.factorials[n] def inv(self, n): if n <= -1: print("Invalid argument to calculate n^(-1)") print("n must be non-negative value. But the argument was " + str(n)) exit() p = self.MOD pi = n % p if pi < len(self.invModulos): return self.invModulos[pi] nextArr = [0] * (n + 1 - len(self.invModulos)) initialI = len(self.invModulos) for i in range(initialI, min(p, n + 1)): next = -self.invModulos[p % i] * (p // i) % p self.invModulos.append(next) return self.invModulos[pi] def invFactorial(self, n): if n <= -1: print("Invalid argument to calculate (n^(-1))!") print("n must be non-negative value. But the argument was " + str(n)) exit() if n < len(self.invFactorial_): return self.invFactorial_[n] self.inv(n) # To make sure already calculated n^-1 nextArr = [0] * (n + 1 - len(self.invFactorial_)) initialI = len(self.invFactorial_) prev = self.invFactorial_[-1] p = self.MOD for i in range(initialI, n + 1): prev = nextArr[i - initialI] = (prev * self.invModulos[i % p]) % p self.invFactorial_ += nextArr return self.invFactorial_[n] class Combination: def __init__(self, MOD): self.MOD = MOD self.factorial = Factorial(MOD) def ncr(self, n, k): if k < 0 or n < k: return 0 k = min(k, n - k) f = self.factorial return f.calc(n) * f.invFactorial(max(n - k, k)) * f.invFactorial(min(k, n - k)) % self.MOD # --------------------------------------iye ha combinations ka zindegi--------------------------------- def powm(a, n, m): if a == 1 or n == 0: return 1 if n % 2 == 0: s = powm(a, n // 2, m) return s * s % m else: return a * powm(a, n - 1, m) % m # --------------------------------------iye ha power ka zindegi--------------------------------- def sort_list(list1, list2): zipped_pairs = zip(list2, list1) z = [x for _, x in sorted(zipped_pairs)] return z # --------------------------------------------------product---------------------------------------- def product(l): por = 1 for i in range(len(l)): por *= l[i] return por # --------------------------------------------------binary---------------------------------------- def binarySearchCount(arr, n, key): left = 0 right = n - 1 count = 0 while (left <= right): mid = int((right + left)/ 2) # Check if middle element is # less than or equal to key if (arr[mid]<=key): count = mid+1 left = mid + 1 # If key is smaller, ignore right half else: right = mid - 1 return count # --------------------------------------------------binary---------------------------------------- def countdig(n): c = 0 while (n > 0): n //= 10 c += 1 return c def countGreater( arr,n, k): l = 0 r = n - 1 # Stores the index of the left most element # from the array which is greater than k leftGreater = n # Finds number of elements greater than k while (l <= r): m = int(l + (r - l) / 2) if (arr[m] >= k): leftGreater = m r = m - 1 # If mid element is less than # or equal to k update l else: l = m + 1 # Return the count of elements # greater than k return (n - leftGreater) # --------------------------------------------------binary------------------------------------ for i in range(int(input())): a,b=map(int,input().split()) c=a*b l=int(c**(1./3)+0.5) if l**3==a*b and a%l==0 and b%l==0: print("YES") else: print("NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long double EPS = 1e-9, PI = acos(-1.); const long long LINF = 0x3f3f3f3f3f3f3f3f, LMOD = 1011112131415161719ll; const int INF = 0x3f3f3f3f, MOD = 1e9 + 7; const int N = 1e6 + 10; map<long long, long long> rt; int q; long long a, b; int main() { for (long long i = 1; i < N; i++) rt[i * i * i] = i; scanf("%d", &q); while (q--) { scanf("%lld%lld", &a, &b); long long r = rt[a * b]; printf("%s\n", r and a % r == 0 and b % r == 0 ? "Yes" : "No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long GCD(long long x, long long y) { if (y == 0) return x; return GCD(y, x % y); } long long n, a, b; long long cs; bool calc() { scanf("%lld %lld", &a, &b); long long g = GCD(a, b); long long p = a / g; long long q = b / g; long long pq = p * q; bool ret = (g % pq == 0); if (ret) { long long r = g / pq; long long i = 1; while (i * i * i < r) { i++; } if (i * i * i == r) return true; } return false; } int main() { scanf("%lld", &n); while (cs < n) { cs++; bool ans = calc(); if (ans) printf("Yes\n"); else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; unsigned long long mod = 1e9 + 7; long long MOD = 998244353; unsigned long long ncr(long long n, long long k) { if (k > n) return 1ll * 0; unsigned long long res = 1; if (k > n - k) k = n - k; for (long long i = 0; i < k; ++i) { res *= (n - i); res /= (i + 1); res = res; } return res; } bool prime(unsigned long long num) { bool flag = true; for (unsigned long long i = 2; i * i <= num; i++) { if (num % i == 0) { flag = false; break; } } return flag; } long long ipow(long long base, long long exp) { if (exp == 0) return 1ll * 1; long long result = 1; for (;;) { if (exp & 1) { result *= base; result = result % MOD; } exp >>= 1; if (!exp) break; base *= base; base = base % MOD; } return result % MOD; } long long abs(long long a, long long b) { if ((a - b) > 0) return (a - b); else return (b - a); } long long add(long long a, long long b) { a += b; if (a >= MOD) a -= MOD; else if (a < 0) a += MOD; return a; } long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } long long der(long long k) { long long res = 0; long long fact = 1; for (long long i = 2; i <= k; i++) fact *= i; long long s = 1; long long j = 1; for (long long i = 2; i <= k; i++) { j = j * i; long long first = (fact / j) * s; res += first; s = s * (-1); } return res; } vector<long long> p; vector<long long> _prime(long long a) { vector<long long> v; for (long long i = 2; i * i <= a; i++) { if (a % i == 0) { v.push_back(i); while (a % i == 0) a /= i; } } if (a != 1) v.push_back(a); return v; } long long cubic_root(long long x) { long long l = 0, r = 1000000; while (l != r) { long long m = (l + r + 1) / 2; if (m * m * m > x) r = m - 1; else l = m; } return l; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; while (n--) { long long a, b; cin >> a >> b; long long c = a * b; long long k = cubic_root(c); bool flag = false; if (k * k * k == c && a % k == 0 && b % k == 0) flag = true; if (flag == true) { cout << "YES\n"; } else { cout << "NO\n"; } } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long a, i, x, y; scanf("%I64d ", &a); while (a--) { scanf("%I64d %I64d", &x, &y); i = ceil(cbrt(x * y)); if (x % i == 0 && y % i == 0 && (x * y) == i * i * i) { printf("Yes\n"); } else printf("No\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long n, a, b; bool check(long long x) { long long l = 0, r = 1000000; while (l != r) { long long m = (l + r + 1) / 2; if (m * m * m > x) { r = m - 1; } else { l = m; } } bool ok = (l * l * l == a * b); return (ok && !(a % l) && !(b % l)); } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; while (n--) { cin >> a >> b; if (check(a * b)) { cout << "Yes\n"; } else { cout << "No\n"; } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int tc; cin >> tc; while (tc--) { long long a, b; cin >> a >> b; long long pro = (a * b); long long c = cbrt((long double)(pro)); if (c * c * c != pro) cout << "No" << '\n'; else if (a % c == 0 && b % c == 0) cout << "Yes" << '\n'; else cout << "No" << '\n'; } return 0; }
7
CPP
#include <bits/stdc++.h> long long x, y; long long gcd(long long x, long long y) { if (!y) return x; return gcd(y, x % y); } bool check() { double x2 = log(x), y2 = log(y); double t1 = (2 * y2 - x2) / 3, t2 = (2 * x2 - y2) / 3; t1 = exp(t1); t2 = exp(t2); long long s1 = (t1 + 0.5), s2 = t2 + 0.5; if (fabs(t1 - s1) < 1e-6 && fabs(t2 - s2) < 1e-6) return 1; return 0; } int main() { int T; scanf("%d", &T); while (T--) { scanf("%lld%lld", &x, &y); if (check()) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> int main() { int T; scanf("%d", &T); while (T--) { long long x, y; scanf("%I64d%I64d", &x, &y); long long t = x * y; bool flag = false; long long l = 1, r = 1e6 + 10, m; while (l <= r) { m = (l + r) / 2; if (m * m * m == t) { flag = true; break; } else if (m * m * m > t) { r = m - 1; } else { l = m + 1; } } if (flag) { if (x % m != 0 || y % m != 0) puts("NO"); else puts("Yes"); } else puts("No"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; ll MOD = 1000000007; ll INF = 1LL << 60; ll HI = 1000005; ll cubic_root(ll x) { ll lo = 0, hi = HI; while (lo < hi) { ll m = lo + ((hi - lo + 1) / 2); if (m * m * m > x) hi = m - 1; else lo = m; } return lo; } ll a, b, ab, cuberoot; int main() { ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); int n; cin >> n; while (n--) { cin >> a >> b; ab = a * b; cuberoot = cubic_root(ab); if (cuberoot * cuberoot * cuberoot != ab) { cout << "No\n"; continue; } if (a % cuberoot == 0 && b % cuberoot == 0) { cout << "Yes\n"; continue; } cout << "No\n"; } }
7
CPP
#include <bits/stdc++.h> using namespace std; const int Maxk = 1005; string mul(string a, string b) { int res[Maxk]; memset(res, 0, sizeof(res)); reverse(a.begin(), a.end()); reverse(b.begin(), b.end()); for (int i = 0; i < a.length(); i++) { for (int j = 0; j < b.length(); j++) { res[i + j] += (a[i] - '0') * (b[j] - '0'); } } for (int i = 0; i < Maxk; i++) { if (res[i] >= 10) { res[i + 1] += (res[i] / 10); res[i] %= 10; } } string ret; bool flag = false; for (int i = Maxk - 1; i >= 0; i--) { if (flag || res[i]) { flag = true; ret = ret + (char)(res[i] + '0'); } } if (ret == "") ret = "0"; return ret; } string add(string a, string b) { if (a.length() < b.length()) swap(a, b); while (a.length() != b.length()) { b = '0' + b; } for (int i = a.length() - 1; i >= 0; i--) { a[i] += (b[i] - '0'); if (a[i] > '9' && i) { a[i] -= 10; a[i - 1]++; } } if (a[0] > '9') { a[0] -= 10; a = '1' + a; } return a; } inline int read() { int x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } int main() { int t; scanf("%d", &t); for (int i = 0; i < t; i++) { long long a, b; a = (long long)read(); b = (long long)read(); long long c = a * b; long long l = 0, r = 2e6; while (r - l > 1) { long long mid = (l + r) >> 1; if (mid * mid * mid < c) { l = mid; } else { r = mid; } } long long v; if (l * l * l == c) { v = l; } else if (r * r * r == c) { v = r; } else { printf("No\n"); continue; } if (a % v == 0 && b % v == 0) { printf("Yes\n"); } else { printf("No\n"); } } }
7
CPP
#include <bits/stdc++.h> using namespace std; signed main() { long long t, a, b; scanf("%lld", &t); while (t--) { scanf("%lld%lld", &a, &b); long long m = pow(a * b, (1.0 / 3)) + 0.5; puts((m * m * m != a * b || a % m || b % m) ? "No" : "Yes"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; template <class T> int getbit(T s, int i) { return (s >> i) & 1; } template <class T> T onbit(T s, int i) { return s | (T(1) << i); } template <class T> T offbit(T s, int i) { return s & (~(T(1) << i)); } template <class T> int cntbit(T s) { return __builtin_popcount(s); } template <class T> inline T gcd(T a, T b) { T r; while (b != 0) { r = a % b; a = b; b = r; } return a; } long long n, a, b; long long fin(long long x) { long long l = 0, r = 1e6; while (l != r) { long long mid = (l + r + 1) >> 1; if (mid * mid * mid <= x) { l = mid; } else r = mid - 1; } return l; } int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n; while (n--) { cin >> a >> b; if (a > b) swap(a, b); long long z = fin(a * b); if (z * z * z != a * b) cout << "No\n"; else if (a % z == 0 && b % z == 0) cout << "Yes\n"; else cout << "No\n"; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); while (n--) { long long int a, b; scanf("%lld %lld", &a, &b); double t = pow(a * b, 1.0 / 3); long long int x = t + 0.0001; if (x * x * x == a * b && a % x == 0 && b % x == 0) printf("YES\n"); else printf("NO\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; const int MOD = (int)1e9 + 7; const int MOD2 = 1007681537; const int INF = (int)1e9; const long long LINF = (long long)1e18; const long double PI = acos((long double)-1); const long double EPS = 1e-9; inline long long gcd(long long a, long long b) { long long r; while (b) { r = a % b; a = b; b = r; } return a; } inline long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } inline long long fpow(long long n, long long k, int p = MOD) { long long r = 1; for (; k; k >>= 1) { if (k & 1) r = r * n % p; n = n * n % p; } return r; } template <class T> inline int chkmin(T& a, const T& val) { return val < a ? a = val, 1 : 0; } template <class T> inline int chkmax(T& a, const T& val) { return a < val ? a = val, 1 : 0; } inline long long isqrt(long long k) { long long r = sqrt(k) + 1; while (r * r > k) r--; return r; } inline long long icbrt(long long k) { long long r = cbrt(k) + 1; while (r * r * r > k) r--; return r; } inline void addmod(int& a, int val, int p = MOD) { if ((a = (a + val)) >= p) a -= p; } inline void submod(int& a, int val, int p = MOD) { if ((a = (a - val)) < 0) a += p; } inline int mult(int a, int b, int p = MOD) { return (long long)a * b % p; } inline int inv(int a, int p = MOD) { return fpow(a, p - 2, p); } inline int sign(long double x) { return x < -EPS ? -1 : x > +EPS; } inline int sign(long double x, long double y) { return sign(x - y); } const int maxn = 1e6 + 5; int n; int a[maxn]; vector<int> pos1; vector<int> pos2; int mn[maxn << 1]; int sm[maxn << 1]; void upd(int p, int val) { p += 1 << 19; mn[p] = sm[p] = val; while (p > 1) { p >>= 1; sm[p] = sm[p << 1] + sm[p << 1 | 1]; mn[p] = min(mn[p << 1], sm[p << 1] + mn[p << 1 | 1]); } } int check(int mi) { for (int i = (0); i < (n); i++) { upd(i, -a[i]); } for (int i = (0); i < (int((pos2).size())); i++) { int ix = pos2[i]; upd(ix, 200); } int ptr = int((pos2).size()) - 1; for (int x = (0); x < (int((pos1).size()) + 1); x++) if (mi >= 1000 * x) { int y = min(int((pos2).size()), (mi - 1000 * x) / 2000); while (ptr >= y) { int ix = pos2[ptr]; upd(ix, -2000); ptr--; } if (x) { int ix = pos1[x - 1]; upd(ix, 100); } int rm = mi - 1000 * x - 2000 * y; if ((!x && a[0] == 1000) || (!y && a[0] == 2000)) { upd(0, rm - a[0]); } else { upd(0, rm + a[0] / 10); } if (mn[1] >= 0) { return 1; } } return 0; } void solve() { cin >> n; for (int i = (0); i < (n); i++) { cin >> a[i]; if (a[i] == 1000) { pos1.push_back(i); } else { pos2.push_back(i); } } int lo = 0, hi = 600000000; while (lo < hi) { int mi = lo + hi >> 1; if (!check(mi)) { lo = mi + 1; } else { hi = mi; } } cout << (lo + hi >> 1) << "\n"; } int main() { int JUDGE_ONLINE = 1; if (fopen("in.txt", "r")) { JUDGE_ONLINE = 0; assert(freopen("in.txt", "r", stdin)); } else { ios_base::sync_with_stdio(0), cin.tie(0); } solve(); if (!JUDGE_ONLINE) { } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, a[300010]; long long dp[300010][42], ans; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", &a[i]); for (int i = 0; i <= n; i++) for (int j = 0; j <= 30; j++) dp[i][j] = 300000000000LL; dp[0][0] = 0; for (int i = 0; i < n; i++) for (int j = 0; j <= 30; j++) { if (j + a[i] / 1000 <= 30) dp[i + 1][j + a[i] / 1000] = min(dp[i + 1][j + a[i] / 1000], dp[i][j] + a[i]); if (j * 100 >= a[i]) dp[i + 1][j - a[i] / 100] = min(dp[i + 1][j - a[i] / 100], dp[i][j]); else dp[i + 1][0] = min(dp[i + 1][0], dp[i][j] + a[i] - j * 100); } ans = dp[n][0]; for (int i = 1; i <= 30; i++) ans = min(ans, dp[n][i]); printf("%lld\n", ans); }
10
CPP
#include <bits/stdc++.h> const int maxn = 3e5 + 50; const int inf = 0x3f3f3f3f; int n, f[2][312], cur = 0; inline void Update(int& x, int y) { x = std::min(x, y); } int main(int argc, char* argv[]) { scanf("%d", &n); memset(f[cur], 0x3f, sizeof(f[cur])); f[cur][0] = 0; while (n--) { int x, pre = cur; cur ^= 1; memset(f[cur], 0x3f, sizeof(f[cur])); scanf("%d", &x); for (int i = 0; i < 312; ++i) if (f[pre][i] != inf) { if (i + x / 100 < 312) Update(f[cur][i + x / 100], f[pre][i] + x); int used = std::min(x, i * 10); if (i - used / 10 < 312) Update(f[cur][i - used / 10], f[pre][i] + x - used); } } int ans = inf; for (int i = 0; i < 312; ++i) ans = std::min(ans, f[cur][i]); printf("%d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; void addmod(int &a, long long b) { a = (a + b); if (a >= 1000000007) a -= 1000000007; } void mulmod(int &a, long long b) { a = (a * b) % 1000000007; } template <class T> bool domin(T &a, const T &b) { return a > b ? a = b, 1 : 0; } template <class T> bool domax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } int gi() { int a; scanf("%d", &a); return a; } long long gll() { long long a; scanf("%lld", &a); return a; } int ans[2][34]; int main() { int v = 1000000007; fill_n(ans[0], 34, v); fill_n(ans[1], 34, v); ans[0][0] = 0; int n = gi(), ix, nx; for (int i = 0; i < n; i++) { int x = gi() / 100; int bo = x / 10; ix = (i & 1); nx = ix ^ 1; fill_n(ans[nx], 34, v); for (int j = 0; j < 34; j++) if (ans[ix][j] < 1000000007) { if (j < x) { domin(ans[nx][j + bo], ans[ix][j] + x); domin(ans[nx][0], ans[ix][j] + x - j); } else if (j < 30) { domin(ans[nx][j - x], ans[ix][j]); domin(ans[nx][j + bo], ans[ix][j] + x); } else { domin(ans[nx][j - x], ans[ix][j]); } } } int fa = 1000000007; for (int i = 0; i < 34; i++) { domin(fa, ans[nx][i]); } cout << fa * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300005; int a[N]; int f[45]; int g[45]; int n; int ans; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]), a[i] /= 100; memset(f, 127 / 3, sizeof(f)); f[0] = 0; for (int i = 1; i <= n; i++) { memset(g, 127 / 3, sizeof(g)); for (int j = 1; j <= a[i]; j++) g[0] = min(f[j] + a[i] - j, g[0]); for (int j = a[i] + 1; j <= 40; j++) g[j - a[i]] = min(g[j - a[i]], f[j]); if (a[i] == 10) for (int j = 1; j <= 40; j++) g[j] = min(g[j], f[j - 1] + 10); if (a[i] == 20) for (int j = 2; j <= 40; j++) g[j] = min(g[j], f[j - 2] + 20); memcpy(f, g, sizeof(g)); } ans = 1e9; for (int i = 0; i <= 40; i++) ans = min(ans, f[i]); printf("%d", ans * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; constexpr long long mod = 1000000007; const long long INF = mod * mod; const long double eps = 1e-12; const long double pi = acos(-1.0); long long mod_pow(long long a, long long n, long long m = mod) { a %= m; long long res = 1; while (n) { if (n & 1) res = res * a % m; a = a * a % m; n >>= 1; } return res; } struct modint { long long n; modint() : n(0) { ; } modint(long long m) : n(m) { if (n >= mod) n %= mod; else if (n < 0) n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint &a, modint b) { a.n += b.n; if (a.n >= mod) a.n -= mod; return a; } modint operator-=(modint &a, modint b) { a.n -= b.n; if (a.n < 0) a.n += mod; return a; } modint operator*=(modint &a, modint b) { a.n = ((long long)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, int n) { if (n == 0) return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2) res = res * a; return res; } long long inv(long long a, long long p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 18; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b) return 0; return fact[a] * factinv[b] * factinv[a - b]; } int dx[4] = {0, 1, 0, -1}; int dy[4] = {1, 0, -1, 0}; const int sz = 50; int dp[sz]; int cop[sz]; void solve() { int n; cin >> n; vector<int> a(n); int sum = 0; for (int i = 0; i < n; i++) { cin >> a[i]; a[i] /= 100; sum += a[i]; } for (int i = 0; i < sz; i++) dp[i] = -mod; dp[0] = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < sz; j++) cop[j] = -mod; if (a[i] == 10) { for (int j = 0; j < sz; j++) { if (j + 1 < sz) { cop[j + 1] = max(cop[j + 1], dp[j]); } for (int d = 1; d <= 10; d++) { if (j - d >= 0) { cop[j - d] = max(cop[j - d], dp[j] + d); } } } } else { for (int j = 0; j < sz; j++) { if (j + 2 < sz) { cop[j + 2] = max(cop[j + 2], dp[j]); } for (int d = 1; d <= 20; d++) { if (j - d >= 0) { cop[j - d] = max(cop[j - d], dp[j] + d); } } } } for (int j = 0; j < sz; j++) dp[j] = cop[j]; } int ma = 0; for (int j = 0; j < sz; j++) ma = max(ma, dp[j]); int ans = sum - ma; ans *= 100; cout << ans << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); solve(); char nyaa; cin >> nyaa; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <class T1> void deb(T1 e1) { cout << e1 << endl; } template <class T1, class T2> void deb(T1 e1, T2 e2) { cout << e1 << " " << e2 << endl; } template <class T1, class T2, class T3> void deb(T1 e1, T2 e2, T3 e3) { cout << e1 << " " << e2 << " " << e3 << endl; } template <class T1, class T2, class T3, class T4> void deb(T1 e1, T2 e2, T3 e3, T4 e4) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << endl; } template <class T1, class T2, class T3, class T4, class T5> void deb(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << endl; } template <class T1, class T2, class T3, class T4, class T5, class T6> void deb(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5, T6 e6) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << " " << e6 << endl; } const long long int mod = 1000000007ll; int arr[300005]; int n; int dp[300005][41]; int func(int pos, int b) { if (pos == n) return 0; if (b > 40) return mod; int& res = dp[pos][b]; if (res != -1) return res; res = func(pos + 1, b + arr[pos] / 10) + arr[pos]; res = min(res, func(pos + 1, max(0, b - arr[pos])) + max(0, arr[pos] - b)); return res; } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &arr[i]); arr[i] /= 100; } memset(dp, -1, sizeof dp); printf("%d\n", func(0, 0) * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, sum, tot, ans; int a[400400]; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; sum += a[i] / 1000; tot += (a[i] == 1000); } int temp = sum * 10 / 11; if (sum <= 11) temp = sum - a[n] / 1000; if (!tot && temp % 2 == 1) temp--; cout << sum * 1000 - temp * 100; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, x, f[3500], g[3500], ans = 1e9, maxn = 3000; int main() { scanf("%d", &n); memset(f, 127, sizeof(f)); f[0] = 0; for (int i = 1; i <= n; i++) { memcpy(g, f, sizeof(f)); memset(f, 127, sizeof(f)); scanf("%d", &x); for (int j = 0; j <= maxn; j += 100) f[j + x / 10] = min(f[j + x / 10], g[j] + x); for (int j = 0; j <= maxn; j += 100) f[j - min(j, x)] = min(f[j - min(j, x)], g[j] + max(0, x - j)); } for (int i = 0; i <= maxn; i += 100) ans = min(ans, f[i]); printf("%d\n", ans); }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300010; const int M = 31; int n; int a[N]; int d[N][M]; int DP(int i, int bonus) { if (d[i][bonus] != -1) return d[i][bonus]; if (i == n) return max(0, a[i] - bonus); if (bonus > M - 1) return N * M; return d[i][bonus] = min(max(0, a[i] - bonus) + DP(i + 1, max(0, bonus - a[i])), a[i] + DP(i + 1, bonus + (a[i] / 10))); } int main() { scanf("%d", &n); memset(d, -1, sizeof(d)); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); a[i] /= 100; } printf("%d", DP(0, 0) * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 3e5 + 10; const int INF = 1e9; int n, a[MAXN], f[35], g[35]; int main() { scanf("%d", &n); for (int i = 1; i <= 31; ++i) g[i] = INF; for (int i = 1; i <= n; ++i) { scanf("%d", &a[i]); a[i] /= 100; f[0] = f[1] = INF; for (int j = a[i] / 10; j <= 31; ++j) f[j] = g[j - a[i] / 10] + a[i]; for (int j = a[i]; j <= 31; ++j) f[j - a[i]] = min(f[j - a[i]], g[j]); for (int j = 1; j < a[i]; ++j) f[0] = min(f[0], g[j] + a[i] - j); for (int j = 0; j <= 31; ++j) g[j] = f[j]; } for (int i = 1; i <= 31; ++i) g[0] = min(g[0], g[i]); printf("%d\n", g[0] * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int a[300005][45], n, value[300005]; void update(int &x, int y) { x = min(x, y); } int main() { ios::sync_with_stdio(false); cin >> n; for (int i = 1; i <= n; i++) { cin >> value[i]; value[i] /= 100; } for (int i = 1; i <= n; i++) for (int j = 0; j < 45; j++) a[i][j] = 1e9; a[1][value[1] / 10] = value[1]; for (int i = 1; i < n; i++) { int tmp = value[i + 1]; for (int j = 0; j < 45; j++) { int used = min(j, tmp); update(a[i + 1][j - used], a[i][j] + tmp - used); update(a[i + 1][j + tmp / 10], a[i][j] + tmp); } } int ans = 1e9; for (int i = 0; i < 45; i++) ans = min(ans, a[n][i]); cout << ans << "00" << endl; return 0; }
10
CPP
#include <bits/stdc++.h> const int N = 300010; const int M = 50; const int INF = 0x3f3f3f3f; int dp[N][M], a[N]; int n; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%d", &a[i]); a[i] /= 100; } memset(dp, 0x3f, sizeof(dp)); dp[0][0] = 0; for (int i = 1; i <= n; ++i) { for (int j = 0; j < M; ++j) { if (dp[i - 1][j] == INF) { continue; } if (a[i] / 10 + j < M) { dp[i][j + a[i] / 10] = std::min(dp[i][j + a[i] / 10], dp[i - 1][j] + a[i]); } int x = std::min(a[i], j); dp[i][j - x] = std::min(dp[i][j - x], dp[i - 1][j] + a[i] - x); } } int min = INT_MAX; for (int i = 0; i < M; ++i) { min = std::min(min, dp[n][i]); } return printf("%d\n", min * 100), 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 1e9; const long long INF64 = 1e18; const long long MOD = 1e9 + 7; const long double EPS = 1e-9; const long double Pi = 3.1415926535897932384626433832795; const int N = 3e5 + 17; const int M = 32; int dp[N][M]; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < int(n); i++) scanf("%d", &a[i]); for (int i = 0; i < int(N); i++) for (int j = 0; j < int(M); j++) dp[i][j] = INF; dp[0][0] = 0; for (int i = 0; i < int(n); i++) { for (int j = 0; j < int(M); j++) { if (j + a[i] / 1000 < M) dp[i + 1][j + a[i] / 1000] = min(dp[i + 1][j + a[i] / 1000], dp[i][j] + a[i]); dp[i + 1][j - min(j, a[i] / 100)] = min(dp[i + 1][j - min(j, a[i] / 100)], dp[i][j] + a[i] - 100 * min(j, a[i] / 100)); } } int ans = INF; for (int i = 0; i < int(M); i++) ans = min(ans, dp[n][i]); cout << ans << endl; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <class T> inline bool getmin(T *a, const T &b) { if (b < *a) { *a = b; return true; } return false; } template <class T> inline bool getmax(T *a, const T &b) { if (b > *a) { *a = b; return true; } return false; } template <class T> inline void read(T *a) { char c; while (isspace(c = getchar())) { } bool flag = 0; if (c == '-') flag = 1, *a = 0; else *a = c - 48; while (isdigit(c = getchar())) *a = *a * 10 + c - 48; if (flag) *a = -*a; } const int mo = 40009; template <class T> T pow(T a, T b, int c = mo) { T res = 1; for (T i = 1; i <= b; i <<= 1, a = 1LL * a * a % c) if (b & i) res = 1LL * res * a % c; return res; } const int N = 310000; int f[N][35]; int a[N], n; int main() { cin >> n; for (register int i = (1); i <= (n); ++i) read(a + i); for (register int i = (0); i <= (33); ++i) for (register int j = (0); j <= (n); ++j) f[j][i] = 1e9; f[0][0] = 0; for (register int i = (0); i <= (n - 1); ++i) for (register int j = (0); j <= (33); ++j) { int x = j * 100, y = a[i + 1] / 1000; if (j + y <= 33) getmin(&f[i + 1][j + y], f[i][j] + a[i + 1]); if (x >= a[i + 1]) getmin(&f[i + 1][(x - a[i + 1]) / 100], f[i][j]); if (x < a[i + 1]) getmin(&f[i + 1][0], f[i][j] + a[i + 1] - x); } int ans = 1e9; for (register int i = (0); i <= (33); ++i) getmin(&ans, f[n][i]); cout << ans << endl; }
10
CPP
#include <bits/stdc++.h> const int N = 3e5 + 10; using namespace std; int n, A[N]; int dp[2][50]; int main() { memset(dp, 0x3f, sizeof(dp)); scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%d", &A[i]); A[i] /= 100; } int s = 0, t = 1; dp[0][0] = 0; for (int i = 1; i <= n; ++i) { int a = A[i] / 10; for (int j = 0; j <= 40; ++j) if (dp[s][j] < dp[0][49]) { if (j + a <= 40) dp[t][j + a] = min(dp[t][j + a], dp[s][j] + A[i]); int b = min(j, A[i]); if (b) dp[t][j - b] = min(dp[t][j - b], dp[s][j] + A[i] - b); dp[s][j] = dp[0][49]; } swap(s, t); } int ans = dp[0][49]; for (int i = 0; i < 20; ++i) ans = min(ans, dp[s][i]); printf("%d00\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long INFF = 0x3f3f3f3f3f3f3f3fll; const int MAX = 3e5 + 5; const int MAXN = 1000000; const int MAX_N = MAX; const long long MOD = 1e9 + 7; const long double pi = acos(-1.0); int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } template <typename T> inline T abs(T a) { return a > 0 ? a : -a; } template <class T> inline void read(T& num) { bool start = false, neg = false; char c; num = 0; while ((c = getchar()) != EOF) { if (c == '-') start = neg = true; else if (c >= '0' && c <= '9') { start = true; num = num * 10 + c - '0'; } else if (start) break; } if (neg) num = -num; } inline long long powMM(long long a, long long b, long long M) { long long ret = 1; a %= M; while (b) { if (b & 1) ret = ret * a % M; b >>= 1; a = a * a % M; } return ret; } void open() { freopen("1009.in", "r", stdin); freopen("out.txt", "w", stdout); } int n, dp[2][31], tem, now, pre, an = INF; int main() { scanf("%d", &n); memset(dp, 0x3f, sizeof(dp)); now = 1; dp[pre][0] = 0; for (int i = 1; i <= n; i++) { scanf("%d", &tem); ; for (int j = 0; j <= 30; j++) { dp[now][min(30, j + tem / 1000)] = min(dp[now][min(30, j + tem / 1000)], dp[pre][j] + tem); dp[now][j - min(j, tem / 100)] = min(dp[now][j - min(j, tem / 100)], dp[pre][j] + tem - min(j, tem / 100) * 100); } swap(now, pre); memset(dp[now], 0x3f, sizeof(dp[now])); } for (int j = 0; j <= 30; j++) an = min(an, dp[pre][j]); printf("%d\n", an); }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300000 + 10; long long dp[N][40]; int n; long long a[N]; int main() { memset(dp, 0x3f3f3f3f, sizeof(dp)); scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%I64d", &a[i]); a[i] /= 100; } dp[0][0] = 0; for (int i = 1; i <= n; i++) { int cards = a[i] / 10; for (int j = 0; j <= 31; j++) { if (dp[i - 1][j] < 0x3f3f3f3f) { if (j + cards <= 31) dp[i][j + cards] = min(dp[i][j + cards], dp[i - 1][j] + a[i]); int b = min((long long)j, a[i]); if (b) { dp[i][j - b] = min(dp[i][j - b], dp[i - 1][j] + a[i] - b); } } } } long long ans = 0x3f3f3f3f; for (int i = 0; i < 20; i++) { if (dp[n][i] < ans) ans = dp[n][i]; } printf("%I64d00\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int a[300010]; int dp[300010][70]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } memset(dp, 0x3f3f3f3f, sizeof(dp)); dp[0][0] = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < 50; j++) if (dp[i][j] != 0x3f3f3f3f) { dp[i + 1][j + a[i + 1] / 1000] = min(dp[i + 1][j + a[i + 1] / 1000], dp[i][j] + a[i + 1]); dp[i + 1][j - min(a[i + 1] / 100, j)] = min(dp[i + 1][j - min(a[i + 1] / 100, j)], dp[i][j] + a[i + 1] - 100 * min(a[i + 1] / 100, j)); } } int ans = 0x3f3f3f3f; for (int i = 0; i < 50; i++) { ans = min(ans, dp[n][i]); } printf("%d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; const int maxn = 3e5 + 5; int add(int x, int y) { x += y; if (x >= mod) x -= mod; return x; } int mul(int x, int y) { long long z = 1LL * x * y; return z - z / mod * mod; } int a[maxn], b[maxn]; int f[2][55]; void updata(int &x, int y) { x = max(x, y); } int main() { int n, i, j, u, v, s; scanf("%d", &n); for (i = 1, s = 0; i <= n; i++) { scanf("%d", &a[i]); b[i] = a[i] / 100; a[i] /= 1000; s += a[i]; } u = 0; f[0][0] = 1; for (i = 1; i <= n; i++) { v = u ^ 1; memset(f[v], 0, sizeof(f[v])); for (j = 0; j <= 50; j++) { if (f[u][j]) { if (j < b[i]) updata(f[v][0], f[u][j] + j); else updata(f[v][j - b[i]], f[u][j] + b[i]); if (j + a[i] <= 50) updata(f[v][j + a[i]], f[u][j]); } } u ^= 1; } int x = 1; for (i = 0; i <= 50; i++) x = max(x, f[u][i]); x--; printf("%d\n", s * 1000 - x * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 7; int n, ans, sa, sb, S; int a[N]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]), sa += a[i] / 1000, sb += (a[i] == 1000); S = sa * 10 / 11; if (sa <= 11) S = sa - a[n] / 1000; if (sb == 0 && (S & 1)) S--; printf("%d\n", sa * 1000 - S * 100); }
10
CPP
#include <bits/stdc++.h> using namespace std; inline int read() { int x = 0, f = 1; char ch = getchar(); while (ch > '9' || ch < '0') ch == '-' && (f = 0) || (ch = getchar()); while (ch <= '9' && ch >= '0') x = (x << 3) + (x << 1) + ch - '0', ch = getchar(); return f ? x : -x; } int a[300020], f[2][50]; int main(int argc, char const *argv[]) { int n = read(); for (int i = 1; i <= n; i++) a[i] = read() / 100; int now = 0, pre = 1; memset(f, 63, sizeof f); f[now][0] = 0; for (int i = 1; i <= n; i++) { swap(now, pre); int x = a[i] / 10; memset(f[now], 63, sizeof f[now]); for (int j = 0; j < 40; j++) { if (j + x < 40) f[now][j + x] = f[pre][j] + a[i]; int y = min(j, a[i]); if (y) f[now][j - y] = min(f[now][j - y], f[pre][j] + a[i] - y); } } int asuna = 1 << 30; for (int i = 0; i < 30; i++) asuna = min(asuna, f[now][i]); printf("%d00\n", asuna); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300005, INF = 0x3f3f3f3f; int dp[N][31], s[N], n; int main() { ios::sync_with_stdio(0), cin.tie(0); memset(dp, 0x3f, sizeof(dp)); cin >> n; for (int i = 1; i <= (n); ++i) cin >> s[i], s[i] /= 100; dp[0][0] = 0; for (int i = 1; i <= (n); ++i) { for (int j = 0; j < (31); ++j) for (int k = 1; k <= (s[i]); ++k) if (j + s[i] < 31) dp[i][j] = min(dp[i][j], dp[i - 1][j + k] + s[i] - k); for (int j = 0; j < (31); ++j) if (j - s[i] / 10 >= 0) dp[i][j] = min(dp[i][j], dp[i - 1][j - s[i] / 10] + s[i]); } int ans = INF; for (int i = 0; i < (31); ++i) ans = min(ans, dp[n][i]); cout << ans * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 5e5 + 99, M = 45, inf = 1e9; int n, t, a[N], dp[N][M], ans = inf; int main() { cin >> n; for (int i = 1; i < n + 1; i++) { cin >> a[i]; a[i] /= 1000; } for (int i = 1; i < M; i++) dp[0][i] = inf; for (int i = 1; i < n + 1; i++) for (int j = 0; j < M; j++) { dp[i][j] = inf; if (j >= a[i]) dp[i][j] = dp[i - 1][j - a[i]] + a[i] * 10; for (int l = j + 1; l < M; l++) dp[i][j] = min(dp[i][j], dp[i - 1][l] + max(a[i] * 10 - (l - j), 0)); ; } for (int i = 0; i < M; i++) ans = min(ans, dp[n][i]); ; cout << ans * 100ll; }
10
CPP