solution
stringlengths
10
983k
difficulty
int64
0
25
language
stringclasses
2 values
#include <bits/stdc++.h> using namespace std; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); constexpr int MAX_N = 1000; int n, m; cin >> n >> m; bitset<MAX_N> back; for(int i = 0; i < m; ++i) { int c, d; cin >> c >> d; if(c > d) continue; for(int j = c; j < d; ++j) { back[j] = true; } } cout << n + 1 + back.count() * 2 << endl; return EXIT_SUCCESS; }
0
CPP
n = int(input()) response = list(input().split( )) if '1' in response: print('HARD') else: print('EASY')
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, i, a, f[5], s; int main() { cin >> n; for (i = 1; i <= n; i++) { cin >> a; f[a % 3]++; } if (f[1] < f[2]) s = f[1]; else s = f[2]; s = s + f[0] / 2; cout << s; }
9
CPP
v = int( input() ) gh = input().split() dicts = {} dicts[0] = 0 dicts[1] = 0 for i in gh: v = int(i) if v & 1 == 0: dicts[0] += 1 else: dicts[1] += 1 if dicts[0] > dicts[1]: count = 0 for i in gh: count += 1 v = int(i) if v & 1 == 1 : print(count) break else: count = 0 for i in gh: count += 1 v = int(i) if v & 1 == 0 : print(count) break
7
PYTHON3
#include <bits/stdc++.h> typedef struct queen { int x; int y; int sum; int sub; int ind; } Queen; using namespace std; int vec[100010]; Queen q[100010]; bool compara_x(Queen a, Queen b) { if (a.x > b.x) return 1; if (a.x == b.x) if (a.y > b.y) return 1; else return 0; return 0; } bool compara_y(Queen a, Queen b) { if (a.y > b.y) return 1; if (a.y == b.y) if (a.x > b.x) return 1; else return 0; return 0; } bool compara_sum(Queen a, Queen b) { if (a.sum > b.sum) return 1; if (a.sum == b.sum) if (a.x > b.x) return 1; else return 0; return 0; } bool compara_sub(Queen a, Queen b) { if (a.sub > b.sub) return 1; if (a.sub == b.sub) if (a.x > b.x) return 1; else return 0; return 0; } int main() { int n, k; int a, b, atak[9]; Queen aux; while (scanf("%d %d", &n, &k) != EOF) { for (int i = 0; i < k; i++) { vec[i] = 0; scanf("%d %d", &a, &b); q[i].x = a; q[i].y = b; q[i].sum = a + b; q[i].sub = a - b; q[i].ind = i; } sort(q, q + k, compara_x); aux = q[0]; for (int i = 1; i < k; i++) { if (aux.x == q[i].x) { vec[aux.ind]++; vec[q[i].ind]++; } aux = q[i]; } sort(q, q + k, compara_y); aux = q[0]; for (int i = 1; i < k; i++) { if (aux.y == q[i].y) { vec[aux.ind]++; vec[q[i].ind]++; } aux = q[i]; } sort(q, q + k, compara_sum); aux = q[0]; for (int i = 1; i < k; i++) { if (aux.sum == q[i].sum) { vec[aux.ind]++; vec[q[i].ind]++; } aux = q[i]; } sort(q, q + k, compara_sub); aux = q[0]; for (int i = 1; i < k; i++) { if (aux.sub == q[i].sub) { vec[aux.ind]++; vec[q[i].ind]++; } aux = q[i]; } for (int i = 0; i < 9; i++) atak[i] = 0; for (int i = 0; i < k; i++) atak[vec[i]]++; for (int i = 0; i < 9; i++) { if (i) printf(" "); printf("%d", atak[i]); } printf("\n"); } return 0; }
11
CPP
for i in range(int(input())): n=int(input()) print(n//2-(n+1)%2)
7
PYTHON3
def solve(i, j, lights): lights[i][j] ^= 1 pos = [(i+1,j),(i-1,j),(i, j+1),(i,j-1)] for val in pos: i, j = val if 0 <= i < 3 and 0 <=j and j <3: lights[i][j] ^= 1 def main(): m = n = 3 a = [] lights = [[1 for x in range(m)] for y in range(n)] for i in range(3): a.append([int(x) for x in input().split()]) for j in range(3): if a[i][j] % 2: solve(i, j, lights) for row in lights: print (''.join([str(x) for x in row])) main()
7
PYTHON3
s = input() result = 0 last_ch = s[0] last_ch_len = 1 for i in range(1, len(s)): if s[i] == last_ch: last_ch_len += 1 else: if last_ch_len%2 == 0: result += 1 last_ch_len = 1 last_ch = s[i] #print('{} {} {} {}'.format(s[i], last_ch, last_ch_len, result)) if last_ch_len%2 == 0: result += 1 print(result)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; const int maxm = 2e3 + 10; const int inf = 0x3f3f3f3f; namespace io { const int SIZE = (1 << 21) + 1; char ibuf[SIZE], *iS, *iT, obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c, qu[55]; int f, qr; inline void flush() { fwrite(obuf, 1, oS - obuf, stdout); oS = obuf; } inline void putc(char x) { *oS++ = x; if (oS == oT) flush(); } template <typename A> inline bool read(A &x) { for (f = 1, c = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++); c < '0' || c > '9'; c = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)) if (c == '-') f = -1; else if (c == EOF) return 0; for (x = 0; c <= '9' && c >= '0'; c = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)) x = x * 10 + (c & 15); x *= f; return 1; } inline bool read(char &x) { while ((x = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)) == ' ' || x == '\n' || x == '\r') ; return x != EOF; } inline bool read(char *x) { while ((*x = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)) == '\n' || *x == ' ' || *x == '\r') ; if (*x == EOF) return 0; while (!(*x == '\n' || *x == ' ' || *x == '\r' || *x == EOF)) *(++x) = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++); *x = 0; return 1; } template <typename A, typename... B> inline bool read(A &x, B &...y) { return read(x) && read(y...); } template <typename A> inline bool write(A x) { if (!x) putc('0'); if (x < 0) putc('-'), x = -x; while (x) qu[++qr] = x % 10 + '0', x /= 10; while (qr) putc(qu[qr--]); return 0; } inline bool write(char x) { putc(x); return 0; } inline bool write(const char *x) { while (*x) { putc(*x); ++x; } return 0; } inline bool write(char *x) { while (*x) { putc(*x); ++x; } return 0; } template <typename A, typename... B> inline bool write(A x, B... y) { return write(x) || write(y...); } struct Flusher_ { ~Flusher_() { flush(); } } io_flusher_; } // namespace io using io ::putc; using io ::read; using io ::write; int top[maxm][maxm], down[maxm][maxm]; int last[30]; char s[maxm][maxm]; char t[maxm]; int main() { int n, m; read(n, m); for (int i = 1; i <= n; i++) { read(t + 1); for (int j = 1; j <= m; j++) s[i][j] = t[j]; } for (int j = 1; j <= m; j++) { for (int i = 0; i < 26; i++) last[i] = inf; for (int i = 1; i <= n; i++) { for (int k = 0; k < 26; k++) { if (k == s[i][j] - 'a') continue; last[k] = inf; } last[s[i][j] - 'a'] = min(last[s[i][j] - 'a'], i); top[i][j] = last[s[i][j] - 'a']; } } for (int j = 1; j <= m; j++) { for (int i = 0; i < 26; i++) last[i] = 0; for (int i = n; i; i--) { for (int k = 0; k < 26; k++) { if (k == s[i][j] - 'a') continue; last[k] = 0; } last[s[i][j] - 'a'] = max(last[s[i][j] - 'a'], i); down[i][j] = last[s[i][j] - 'a']; } } for (int i = 1; i <= n; i++) { top[i][0] = i + 1; down[i][0] = i - 1; top[i][m + 1] = i + 1; down[i][m + 1] = i - 1; for (int j = 1; j <= m; j++) { if (s[i][j] == s[i][j - 1]) { top[i][j] = max(top[i][j], top[i][j - 1] - 1); down[i][j] = min(down[i][j], down[i][j - 1] + 1); } else { top[i][j] = max(top[i][j], i); down[i][j] = min(down[i][j], i); } } for (int j = m; j; j--) { if (s[i][j] == s[i][j + 1]) { top[i][j] = max(top[i][j], top[i][j + 1] - 1); down[i][j] = min(down[i][j], down[i][j + 1] + 1); } else { top[i][j] = max(top[i][j], i); down[i][j] = min(down[i][j], i); } } } long long ans = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { ans += min(i - top[i][j] + 1, down[i][j] - i + 1); } } printf("%lld\n", ans); return 0; }
10
CPP
print(len([i for i in range(1, int(input())+1) if len(str(i))%2==1]))
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; vector<tuple<string,int,int>>a; for(int i=1;i<=n;i++) { string s; int p; cin>>s>>p; p=-p; a.push_back(make_tuple(s,p,i)); } sort(a.begin(),a.end()); for(int i=0;i<n;i++) { cout<<get<2>(a[i])<<endl; } }
0
CPP
#include<bits/stdc++.h> using namespace std; const int mod=998244353,g=3; const int N=1e6+5; int pow2(int x,int y) { int mul=1; for(;y;y>>=1,x=x*1ll*x%mod) if(y&1) mul=mul*1ll*x%mod; return mul; } int n,k; int fac[N],inv[N]; int a[N<<1],b[N<<1]; int lim,rev[N<<1],q; void NTT(int *v,int id) { for(int i=1;i<lim;i++) if(rev[i]<i) swap(v[rev[i]],v[i]); for(int mid=1;mid<lim;mid<<=1) { int w=pow2(g,(mod-1)/(mid<<1)); if(id==-1) w=pow2(w,mod-2); for(int l=0;l<lim;l+=(mid<<1)) { int wn=1; for(int i=l;i<mid+l;i++,wn=wn*1ll*w%mod) { int x=v[i],y=1ll*v[i+mid]*wn%mod; v[i]=(x+y)%mod; v[i+mid]=(x-y+mod)%mod; } } } if(id==-1) { for(int i=0;i<lim;i++) v[i]=v[i]*1ll*pow2(lim,mod-2)%mod; } return; } void init() { fac[0]=1; for(int i=1;i<=k;i++) fac[i]=fac[i-1]*1ll*i%mod; inv[0]=1; for(int i=1;i<=k;i++) inv[i]=pow2(fac[i],mod-2); for(int i=0;i<=k;i++) { if(i&1) a[i]=mod-inv[i]; else a[i]=inv[i]; b[i]=inv[i]*1ll*pow2(i,k)%mod; } lim=1; q=0; while(lim<k+k+1) lim<<=1,q++; for(int i=1;i<lim;i++) rev[i]=(rev[i>>1]>>1)|((i&1)<<(q-1)); NTT(a,1); NTT(b,1); for(int i=0;i<lim;i++) a[i]=a[i]*1ll*b[i]%mod; NTT(a,-1); return; } int main() { scanf("%d%d",&n,&k); init(); long long ans=0,now=1; for(int i=1;i<=k;i++) { now=now*(n-i+1)%mod; if(!now) break; ans=(ans+a[i]*1ll*now%mod*pow2(n+1,n-i)%mod)%mod; } printf("%lld\n",ans); return 0; }
12
CPP
# -*- coding: utf-8 -*- ''' 7 abcdbbd 6 2 3 6 1 5 z 2 1 1 1 4 a 1 7 d 2 1 7 ''' # from helper import elapsed_time from bisect import bisect_left, insort_left N = int(input()) s = list(input()) Q = int(input()) # a-zまでの26文字に対して、s文字列の各文字に該当するindexを格納しておく d = {i: [] for i in range(26)} for i, c in enumerate(s): d[ord(c) - ord("a")].append(i) # @elapsed_time def convert(d: dict, s: list, q1: int, q2: str): if s[q1] == q2: return d, s didx_before = ord(s[q1]) - ord("a") didx_after = ord(q2) - ord("a") idx = bisect_left(d[didx_before], q1) d[didx_before].pop(idx) s[q1] = q2 insort_left(d[didx_after], q1) return d, s # @elapsed_time def calc(d: dict, q1: int, q2: int): ans = 0 for i in range(26): idx = bisect_left(d[i], q1) if d[i] and q1 <= d[i][-1] and d[i][idx] < q2 + 1: ans += 1 return ans for _ in range(Q): q, q1, q2 = input().split() q = int(q) if q == 1: d, s = convert(d, s, int(q1) - 1, q2) if q == 2: print(calc(d, int(q1) - 1, int(q2) - 1))
0
PYTHON3
s1=input() s2=input() if s1.lower()> s2.lower(): print(1) elif s1.lower()< s2.lower(): print(-1) else : print(0)
7
PYTHON3
def readInts(): return [int(x) for x in input().split(' ')] Q = int(input()) for q in range(Q): [N, K] = readInts() A = readInts() B = min(A) + K if max(A) - K > B: B = -1 print(B)
8
PYTHON3
import sys from math import ceil cin=sys.stdin.buffer.readline for _ in range(int(cin())): n=int(cin()) nop,nep,noq,neq=0,0,0,0 p=list(map(int,cin().split())) m=int(cin()) q=list(map(int,cin().split())) for el in p: if el%2==0: nep+=1 else: nop+=1 for el in q: if el%2==0: neq+=1 else: noq+=1 print(neq*nep+noq*nop)
7
PYTHON3
#include<iostream> using namespace std; int main(){ long long x; cin>>x; cout<<x/500*1000+x%500/5*5; return 0; }
0
CPP
n = int(input()) l = list(map(int, input().split())) check = True if (n == 1 and l[0] == 0) or l.count(0) > 1 or (l.count(0) == 0 and n > 1): check = False print("YES" if check else "NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long N = 101, M = (long long)1e18; long long arr[N], ind = 2, f[N], g[N]; void p_f() { arr[1] = 1; arr[2] = 2; while (arr[ind] <= M) { ind++; arr[ind] = arr[ind - 1] + arr[ind - 2]; } } long long get_ans(long long n) { vector<int> v; while (n) { int id = lower_bound(arr, arr + ind, n) - arr; if (arr[id] == n) { v.push_back(id); n = 0; } else { id--; v.push_back(id); n -= arr[id]; } } v.push_back(0); reverse(v.begin(), v.end()); memset(f, 0, sizeof f); memset(g, 0, sizeof g); int sz = v.size(); g[0] = 1; f[0] = 0; for (int i = 1; i < sz; i++) { g[i] = g[i - 1] + f[i - 1]; f[i] = g[i - 1] * ((v[i] - v[i - 1] - 1) / 2) + f[i - 1] * ((v[i] - v[i - 1]) / 2); } return f[sz - 1] + g[sz - 1]; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); p_f(); int t; cin >> t; while (t--) { long long n; cin >> n; cout << get_ans(n) << '\n'; } }
10
CPP
n = int(input()) if(n%2==0): print(n) else: print(2*n)
0
PYTHON3
z=list(map(int,input().split())) arr=[] for i in range(z[0]) : y=list(map(int,input().split())) arr.append(y[0]/y[1]) print("%.8f"%(min(arr)*z[1]))
7
PYTHON3
class Dice(): def __init__(self, d): self.d = d self.north = [2, 6, 3, 4, 1, 5] self.south = [5, 1, 3, 4, 6, 2] self.east = [4, 2, 1, 6, 5, 3] self.west = [3, 2, 6, 1, 5, 4] self.label = [(self.d[0], self.d[1], self.d[2])] def roll(self, direction): if direction == 'S': self.d = [ self.d[self.south[i]-1] for i in range(6) ] elif direction == 'N': self.d = [ self.d[self.north[i]-1] for i in range(6) ] elif direction == 'E': self.d = [ self.d[self.east[i]-1] for i in range(6) ] elif direction == 'W': self.d = [ self.d[self.west[i]-1] for i in range(6) ] def rollAll(self): for i in range(4): for i in range(4): self.roll('E') self.label.append((self.d[0], self.d[1], self.d[2])) self.roll('S') self.roll('E') self.roll('S') for i in range(4): self.roll('E') self.label.append((self.d[0], self.d[1], self.d[2])) self.roll('S') self.roll('S') for i in range(4): self.roll('E') self.label.append((self.d[0], self.d[1], self.d[2])) def getLabel(self): return set(self.label) def getDice(self): return self.d n = int(input()) ll = [] for i in range(n): d = [ int(s) for s in input().split() ] dice = Dice(d) dice.rollAll() l = dice.getLabel() if l not in ll: ll.append(l) if len(ll) == n: print('Yes') else: print('No')
0
PYTHON3
n = int(input()) l = list(map(int,input().split())) best = l swaps = [] for i in range(n): p = list(input()) for j in range(n): if j>i and p[j] == '1': swaps.append([i,j]) group = [] for i in range(n): group.append([i]) for i in range(len(swaps)): x = swaps[i][1] y = swaps[i][0] while isinstance(group[x],int) == 1: x = group[x] while isinstance(group[y],int) == 1: y = group[y] if y != x: group[y] += group[x] group[x] = y for i in range(n): if isinstance(group[i],list) == 1: group[i] = sorted(group[i]) for i in range(n): if isinstance(group[i],list) == 1: x = [] for j in range(len(group[i])): x.append(l[group[i][j]]) x = list(sorted(x)) for j in range(len(group[i])): l[group[i][j]] = x[j] s = str(l[0]) for i in range(1,n): s += ' '+str(l[i]) print(s)
8
PYTHON3
def train(p): m = 0 s = {} for pi in p: k = s.get(pi-1, 0) + 1 s[pi] = k m = max(k, m) return len(p)-m if __name__ == '__main__': n = int(input()) p = list(map(int, input().split())) print(train(p))
9
PYTHON3
#include <iostream> #include <algorithm> #include <vector> using namespace std; int main() { int n; cin>>n; vector <long long> a(n); for(int i=0;i<n;i++) { cin>>a[i]; } int q; cin>>q; while(q--) { int b,e; cin>>b>>e; reverse(a.begin()+b,a.begin()+e); } int j; for(j=0;j<n-1;j++) { cout<<a[j]<<" "; } cout<<a[j]<<endl; return 0; }
0
CPP
l=input() goo=list(l) n=len(l) i=n//2 t='' if n%2==0: for i in range(n): if i%2==0: t+=goo[-1] goo.pop(-1) else: t+=goo[0] goo.pop(0) else: for i in range(n): if i%2==1: t+=goo[-1] goo.pop(-1) else: t+=goo[0] goo.pop(0) print(t[::-1])
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int F[1010]; int A[1010]; int n; int main() { cin >> n; int i; for (i = 1; i <= n; i++) cin >> A[i]; F[0] = 0; F[1] = A[1]; i = 2; while (i <= n) { F[i] = min(max(F[i - 1], F[i - 2]), A[i]); i++; } cout << F[n] << endl; return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; double const pi = 3.1415926536; int main() { int n; cin >> n; int a[n], b[n]; for (int i = 0; i < n; i++) { cin >> a[i]; b[i] = a[i]; } sort(b, b + n); for (int i = 0; i < n; i++) for (int j = i + 2; j <= n; j++) { reverse(&a[i], &a[j]); int f = 0; for (int k = 0; k < n; k++) { if (a[k] != b[k]) f = 1; } reverse(&a[i], &a[j]); if (f == 0) { cout << i + 1 << " " << j; return (0); ; } } cout << "0 0"; }
8
CPP
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:600000000") using namespace std; template <class T> T sqr(T x) { return x * x; } double const pi = 3.1415926535897932384626433832795; int const inf = (int)1e9; long long const inf64 = (long long)4e18; const string name = "c"; const int NMAX = 101010; int n, m, l[NMAX], r[NMAX], L[NMAX], R[NMAX], K[NMAX], ans[NMAX]; vector<pair<int, int> > ev; set<pair<int, int> > S; vector<pair<int, int> > toremove; int getans(int num) { set<pair<int, int> >::iterator it = S.lower_bound(make_pair(r[num], -1)); toremove.clear(); while (it != S.end()) { if (K[it->second] > 0) { for (int i = 0; i < (int)toremove.size(); i++) S.erase(toremove[i]); return it->second; } toremove.push_back(*it); ++it; } cout << "NO" << endl; exit(0); } int main() { cin >> m; for (int i = 0; i < (int)m; i++) { scanf("%d%d", &l[i], &r[i]); ev.push_back(make_pair(l[i], i + 1)); } cin >> n; for (int i = 0; i < (int)n; i++) { scanf("%d%d%d", &L[i], &R[i], &K[i]); ev.push_back(make_pair(L[i], -(i + 1))); } sort(ev.begin(), ev.end()); memset(ans, 255, sizeof(ans)); for (int i = 0; i < (int)ev.size(); i++) { if (ev[i].second < 0) { int num = (-ev[i].second) - 1; S.insert(make_pair(R[num], num)); } else { int num = ev[i].second - 1; int idx = getans(num); ans[num] = idx; K[idx]--; } } cout << "YES" << endl; for (int i = 0; i < (int)m; i++) printf("%d ", ans[i] + 1); return 0; }
9
CPP
#!/usr/bin/env python # coding: utf-8 # In[4]: k=int(input()) l=int(input()) m=int(input()) n=int(input()) d=int(input()) # In[5]: count=0 for i in range(1,d+1): if i%l==0 or i%m==0 or i%k==0 or i%n==0: count+=1 # In[6]: print(count) # In[ ]:
7
PYTHON3
n, m = map(int, input().split()) c = [0] + list(map(int, input().split())) t = {i: [] for i in set(c[1:])} for i in range(m): a, b = map(int, input().split()) if c[a] != c[b]: t[c[a]].append(c[b]) t[c[b]].append(c[a]) j, k = c[1], 0 for i, s in t.items(): l = len(set(s)) if l >= k: if l > k: j, k = i, l elif j > i: j = i print(j)
10
PYTHON3
#include <bits/stdc++.h> using namespace std; int main(){ string c; cin>>c; regex re("[aouie]"); cout<<(regex_match(c,re)?"vowel":"consonant")<<endl; return 0; }
0
CPP
x = int(input()) for i in range(1, x): if i % 2 == 1: print("I hate that",end=" ") else: print("I love that",end=" ") if x % 2 == 1: print("I hate it",end=" ") else: print("I love it",end=" ")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); long long t, r = 1, r1 = 0, r2 = 0, k = 0, a, b, c = 1, m, d = 0, n, e, f, x = 0, g, p = 0, q = 0, y = 0, z = 0; vector<long long> v; vector<long long> u; set<long long> s; std::vector<int>::iterator it; string s1, s2, s3, s4; cin >> n; while (n--) { cin >> m; cout << m << endl; } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0), cin.tie(0), cin.tie(0), cout.tie(0), cout.precision(15); int t; cin >> t; while (t--) { long long int s, a, b, c; cin >> s >> a >> b >> c; long long int ans = s / c; ans += (ans / a) * b; cout << ans << '\n'; } return 0; }
7
CPP
#include <bits/stdc++.h> inline int cmp(double x, double y = 0, double tol = 1e-9) { return (x <= y + tol) ? (x + tol < y) ? -1 : 0 : 1; } int n, m; int map[300][300]; int main() { int t; char c; std::cin >> t; while (t--) { memset(map, 0, sizeof(map)); int answer = 0; std::cin >> n >> m; for (int i = 1; i <= n; ++i) for (int j = 1; j <= m; ++j) { std::cin >> c; map[i][j] = c - '0'; } for (int i = 1; i <= n; ++i) for (int j = 1; j <= m; ++j) { int ok = 1, side = 0; if (!map[i][j] || map[i - 1][j - 1]) next: continue; while (map[i + side][j] && map[i][j + side]) { if (map[i + side][j - 1] || map[i - 1][j + side]) goto next; ++side; } if (side < 2) goto next; for (int k = 0; k < side; ++k) if (!map[i + side - 1][j + k] || !map[i + k][j + side - 1]) goto next; for (int k = -1; k <= side; ++k) if (map[i + side][j + k] || map[i + k][j + side]) goto next; for (int k = 1; k < side - 1; ++k) if (map[i + 1][j + k] || map[i + k][j + 1] || map[i + side - 2][j + k] || map[i + k][j + side - 2]) goto next; ++answer; } for (int i = 1; i <= n; ++i) for (int j = 1; j <= m; ++j) { int ok = 1, side = 0; if (!map[i][j] || map[i - 1][j]) next2: continue; while (map[i + side][j + side] && map[i + side][j - side]) { if (map[i + side - 1][j - side] || map[i + side + 1][j - side] || map[i + side - 1][j + side] || map[i + side + 1][j + side] || map[i + side][j - side - 1] || map[i + side][j - side + 1] || map[i + side][j + side - 1] || map[i + side][j + side + 1] || map[i + side - 1][j - side - 1] || map[i + side - 1][j + side + 1]) goto next2; ++side; } if (side < 2) goto next2; for (int di = side - 1, dj = side - 1; di <= 2 * (side - 1); ++di, --dj) if (!map[i + di][j - dj] || !map[i + di][j + dj]) goto next2; for (int di = side - 1, dj = side - 1; di <= 2 * (side - 1); ++di, --dj) if (map[i + di][j - dj + 1] || map[i + di + 1][j - dj] || map[i + di + 1][j - dj - 1] || map[i + di][j + dj - 1] || map[i + di + 1][j + dj] || map[i + di + 1][j + dj + 1]) goto next2; for (int k = 1; k < side - 1; ++k) if (map[i + k + 1][j - k + 1] || map[i + k + 1][j + k - 1] || map[i + side + k - 2][j - side + k + 2] || map[i + side + k - 2][j + side - k - 2]) goto next2; ++answer; } std::cout << answer << std::endl; } return 0; }
9
CPP
for _ in range(int(input())): a = input() r,q = 0,0 w = len(a) for i in range(w): if a[i]=="-":r+=1 else:q+=1 if r>q:w+=(i+1);r-=1 print(w)
9
PYTHON3
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using ull = unsigned long long; const bool typetest = 1; const int N = 1e5 + 5; int n, a[N]; int k; string s; string dp[N]; void Read() { cin >> n >> k >> s; } char Max(char c) { return (c == 'a' || c == 'a' + k - 1) ? 'a' : char(c - 1); } void Solve() { for (int i = 0; i < n; ++i) dp[i] = char('z' + 1); dp[0] = Max(s[0]); if (n > 1) { string v = ""; v.push_back(Max(s[1])); v.push_back(s[0]); dp[1] = min(dp[1], v); v.clear(); v.push_back(Max(s[0])); v.push_back(Max(s[1])); } //cout << dp[0] << " " << dp[1] << '\n'; for (int i = 0; i < n; ++i) { // /cout << i << ": " << dp[i] << "\n"; if (i + 1 < n) { dp[i + 1] = min(dp[i + 1], dp[i] + Max(s[i + 1])); dp[i + 1] = min(dp[i + 1], dp[i].substr(0, dp[i].size() - 1) + s[i + 1] + dp[i].back()); } if (i + 2 < n) { dp[i + 2] = min(dp[i + 2], dp[i] + Max(s[i + 2]) + s[i + 1]); dp[i + 2] = min(dp[i + 2], dp[i].substr(0, dp[i].size() - 1) + s[i + 2] + dp[i].back() + s[i + 1]); } } cout << dp[n - 1] << "\n"; } int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t(1); if (typetest) cin >> t; for (int _ = 1; _ <= t; ++_) { Read(); Solve(); } }
12
CPP
#include <bits/stdc++.h> using namespace std; #define int long long #define pi pair<int,int> #define ff first #define ss second #define boost ios::sync_with_stdio(false);cin.tie(nullptr) #include "string" int32_t main(){ int n; cin>>n; int a[n]; int xr = 0; for(int i=0;i<n;i++){ cin>>a[i]; if(i>1) xr ^= a[i]; } int s = a[0] + a[1]; if(s < xr) { cout<<-1<<endl; return 0; } if((a[0]^a[1]) == xr){ cout<<0<<endl; return 0; } int A = 0,B = 0; A = B = (s - xr)/2; if((s-xr)%2 != 0 or A > a[0] ){ cout<<-1<<endl; return 0; } for(int i=0;i<64;i++){ if(xr&(1ll<<i) && A&(1ll<<i)){ cout<<-1<<endl; return 0; } } for(int i=64;i>=0;i--){ if(xr&(1ll<<i) && (A|(1ll<<i)) < a[0] ){ A |= (1ll<<i); } } int tra = a[0] - A; if(tra == a[0] ){ cout<<-1<<endl; return 0; } cout<< tra <<endl; }
0
CPP
#include <bits/stdc++.h> using namespace std; using ul=unsigned long long; int s[500],t[500],tmp[500][500],S[500],T[500],n,bit=-1,IN; ul ans[500][500],u[500],v[500]; void ng(){ cout<<-1; exit(0); } struct P{int va,idx,ve,ne,al;}; bool operator <(const P&a,const P&b){return a.va<b.va;}; priority_queue<P>que; #define REP(i) for(int i=0;i<n;i++) #define U ((u[i]>>bit)&1) #define V ((v[j]>>bit)&1) #define F(va) {\ if(!~tmp[i][j]){\ ans[i][j]+=((ul)1<<bit)*(tmp[i][j]=va);\ if(++S[i]<n&&IN)que.push({S[i],i,'S',s[i],1});\ if(++T[j]<n&&IN)que.push({T[j],j,'T',t[j],1});\ }\ } void AL(){ int koushin=1; while(koushin--){ REP(i) if(s[i]==U){ bool f=0; REP(j)f|=tmp[i][j]==s[i]; if(f)REP(j){koushin|=tmp[i][j]<0;F(s[i]^1);} } REP(j) if(t[j]==V){ bool f=0; REP(i)f|=tmp[i][j]==t[j]; if(f)REP(i){koushin|=tmp[i][j]<0;F(t[j]^1);} } } } int main(){ cin>>n; REP(i)cin>>s[i]; REP(i)cin>>t[i]; REP(i)cin>>u[i]; REP(i)cin>>v[i]; while(++bit<64){ memset(tmp,-1,sizeof(tmp)); memset(S,0,sizeof(S)); memset(T,0,sizeof(T)); IN=0; REP(i)if(s[i]^U)REP(j)F(s[i]^1); REP(j)if(t[j]^V)REP(i)F(t[j]^1); REP(i)REP(j)if(s[i]==U&&U==t[j]&&t[j]==V)F(s[i]); AL(); IN=1; REP(i)if(S[i]<n)que.push({S[i],i,'S',s[i],1}); REP(j)if(T[j]<n)que.push({T[j],j,'T',t[j],1}); while(que.size()){ P p=que.top();que.pop(); if(p.ve=='S'){ int i=p.idx; if(p.va<S[i])continue; REP(j) if(!~tmp[i][j]){ F(p.ne); p.ne^=p.al;p.al=0; } AL(); } else{ int j=p.idx; if(p.va<T[j])continue; REP(i) if(!~tmp[i][j]){ F(p.ne); p.ne^=p.al;p.al=0; } AL(); } } } REP(i){ ul A=ans[i][0]; REP(j) if(s[i])A|=ans[i][j]; else A&=ans[i][j]; if(A!=u[i])ng(); } REP(j){ ul A=ans[0][j]; REP(i) if(t[j])A|=ans[i][j]; else A&=ans[i][j]; if(A!=v[j])ng(); } REP(i){ REP(j)cout<<ans[i][j]<<" ";cout<<endl; } }
0
CPP
#include <bits/stdc++.h> using namespace std; const int inf = 1 << 26; struct node { int min, min2, s, s2; node() { min = min2 = inf; s = s2 = 0; } } A[1201011]; int flag[1201011], c[301011], b[301011]; int n, t1, t2; long long ans = 0; void updata(int p) { A[p].min = min(A[p + p].min, A[p + p + 1].min); A[p].min2 = min(A[p + p].min2, A[p + p + 1].min2); if (max(A[p + p].min, A[p + p + 1].min) > A[p].min) A[p].min2 = min(A[p].min2, max(A[p + p].min, A[p + p + 1].min)); A[p].s = A[p].s2 = 0; if (A[p].min == A[p + p].min) A[p].s += A[p + p].s; if (A[p].min == A[p + p + 1].min) A[p].s += A[p + p + 1].s; if (A[p].min2 == A[p + p].min) A[p].s2 += A[p + p].s; if (A[p].min2 == A[p + p + 1].min) A[p].s2 += A[p + p + 1].s; if (A[p].min2 == A[p + p].min2) A[p].s2 += A[p + p].s2; if (A[p].min2 == A[p + p + 1].min2) A[p].s2 += A[p + p + 1].s2; } void setit(int p, int x) { flag[p] += x; A[p].min += x; A[p].min2 += x; } void down(int p) { if (!flag[p]) return; setit(p + p, flag[p]); setit(p + p + 1, flag[p]); flag[p] = 0; } void ins(int p, int l, int r, int x, int k) { if (l == r) { A[p].min = k; A[p].s = 1; return; } down(p); int mid = (l + r) >> 1; if (x <= mid) ins(p + p, l, mid, x, k); else ins(p + p + 1, mid + 1, r, x, k); updata(p); } void ins(int p, int l, int r, int x, int y, int k) { if (x > y) return; if (l < r) down(p), updata(p); if (l >= x && r <= y) { setit(p, k); return; } int mid = (l + r) >> 1; if (x <= mid) ins(p + p, l, mid, x, y, k); if (y > mid) ins(p + p + 1, mid + 1, r, x, y, k); updata(p); } int count(int p, int l, int r, int x, int y) { if (l < r) down(p), updata(p); if (l >= x && r <= y) { if (A[p].min2 <= 2) return A[p].s + A[p].s2; else if (A[p].min <= 2) return A[p].s; else return 0; } int mid = (l + r) >> 1, t = 0; if (x <= mid) t = count(p + p, l, mid, x, y); if (y > mid) t += count(p + p + 1, mid + 1, r, x, y); updata(p); return t; } int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%d", c + i); for (int i = 1; i <= n; ++i) b[c[i]] = i; ins(1, 1, n, 1, 1); for (int i = 2; i <= n; ++i) { ins(1, 1, n, i, 1); t1 = c[b[i] - 1]; t2 = c[b[i] + 1]; if (b[i] > 1 && b[i] < n) { if (max(t1, t2) < i) ins(1, 1, n, 1, min(t1, t2), -1); if (min(t1, t2) > i) ins(1, 1, n, 1, i - 1, 1); else if (max(t1, t2) < i) ins(1, 1, n, max(t1, t2) + 1, n, 1); else ins(1, 1, n, min(t1, t2) + 1, n, 1); } else { t1 = (b[i] > 1) ? c[n - 1] : c[2]; if (t1 > i) ins(1, 1, n, 1, i - 1, 1); else ins(1, 1, n, t1 + 1, n, 1); } ins(1, 1, n, i, 1); ans += count(1, 1, n, 1, i - 1); } printf("%I64d\n", ans); return 0; }
10
CPP
import re n = int(input()) print(re.sub('o(go)+', '***', input()))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n, s = 0, j = 1, s1 = 0, b; cin >> n; b = n; while (n > 0) { n = n - j; if (n > 0) j++; else j = j + 1 - 1; s++; } if (n == 0) { cout << s << endl; for (int k = j; k >= 1; k--) { cout << k << " "; } } else { cout << s - 1 << endl; for (int k = 1; k <= j - 2; k++) { cout << k << " "; s1 = s1 + k; } cout << (j - 1) + (b - (s1 + j - 1)); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long a, b, k; bool isPrime(long long x) { if (x == 2) return true; if (x % 2 == 0) return false; for (long long i = 3; i * i <= x; i++) { if (x % i == 0) return false; } return true; } long long f(long long n, long long k); long long g(long long n, long long k) { long long ans = n; for (long long i = 2; i < k; i++) ans -= f(n, i); return ans; } long long f(long long n, long long k) { if (k > n || !isPrime(k)) return 0; if (n < k * k) return 1; return g(n / k, k); } int main() { scanf( "%I64d" "%I64d" "%I64d", &a, &b, &k); long long ans = f(b, k) - f(a - 1, k); printf( "%I64d" "\n", ans); return 0; }
10
CPP
//Bishmillahir Rahmanir Rahim //sajeedreefy #include<bits/stdc++.h> using namespace std; #define SZ 100005 typedef long long int ll; #define pb push_back #define ull unsigned long long #define mp make_pair #define fr(i,n) for (ll i=0;i<n;i++) #define ff first #define ss second #define mod 1000000007 void fastIO() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } signed main() { fastIO(); ll n,t=1,mini,x,l,c,m,i,j,k,count,y,sum; string st; cin >> t; // ll arr[SZ]; while(t--) { cin >> n >> x; ll arr[n+1]; sum=0; vector <ll> vec,sec; fr(i,n) { cin >> arr[i]; sum=sum+arr[i]; vec.pb(arr[i]); } count=0; sec=vec; c=0; while(1) { for(i=0;i<sec.size();i++) { if(sec[i]%x!=0) { c=1; break; } else { sum=sum+vec[i]; sec[i]=sec[i]/x; } } if(c==1) { break; } } cout << sum << endl; } return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; int32_t main() { int q1, q2, ans, q3; while (scanf("%d%d", &q1, &q2) != EOF) { ans = 0; while (q1 > 0 && q2 > 0) { q3 = min(q1, q2); if (q3 == q2) q2 += 3; else q1 += 3; q2 -= 2; q1 -= 2; if (q1 < 0 || q2 < 0) break; ans++; } printf("%d\n", ans); } return 0; }
7
CPP
#include <bits/stdc++.h> const long long inf = 1000000000ll; const long long inf64 = inf * inf; const long long base = inf + 7; const double pi = acos(-1.0); using namespace std; template <typename T, typename P> const ostream& operator<<(ostream& os, const pair<T, P>& a) { os.precision(10); os << fixed; os << "{"; os << a.first; os << ' '; os << a.second; os << "} "; return os; } bool solve() { int n, k, m; scanf("%d %d", &n, &k); long long ans = 0; vector<pair<int, int> > mas; for (int i(0); i < k; i++) { scanf("%d", &m); vector<int> a(m); for (int j(0); j < m; j++) scanf("%d", &a[j]); int pos = 0; while (pos + 1 < m && a[pos] + 1 == a[pos + 1]) pos++; ans += m - (pos + 1); mas.push_back(make_pair(a[0], a[pos])); for (int j(pos + 1); j < m; j++) mas.push_back(make_pair(a[j], a[j])); } sort((mas).begin(), (mas).end()); for (int i(0); i + 1 < (int)mas.size(); i++) { ans += mas[i + 1].second - mas[i + 1].first; ans += mas[i + 1].second - mas[i + 1].first + 1; } cout << ans << '\n'; return true; } int main() { solve(); return 0; }
7
CPP
import math def pow2(g): res = 0 while g % 2 == 0: g //= 2 res += 1 return res if g == 1 else None T = int(input()) for _ in range(T): x, y = [int(a) for a in input().split()] x2, y2 = 0, 0 while x % 2 == 0: x //= 2 x2 += 1 while y % 2 == 0: y //= 2 y2 += 1 #print() if x != y: print(-1) else: # x2 can be changed to x +- 1, +-2, +-3 diff = abs(x2-y2) steps = diff // 3 + int((diff%3) != 0) print(steps)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int const N = 2e5 + 10; vector<int> res; int a[N], n2, n1, n3, n, sumup, sumdown, f[N]; int main() { std::ios::sync_with_stdio(false); cin >> n1 >> n2 >> n3; for (int i = 1; i <= n1 + n2 + n3; i++) cin >> a[i]; sort(a + 1, a + n1 + 1); sort(a + n1 + 1, a + n1 + n2 + 1); sort(a + n1 + n2 + 1, a + n1 + n2 + n3 + 1); for (int i = 1; i <= n1 + n2 + n3; i++) { if (res.empty() || res.back() < a[i]) res.push_back(a[i]); else { int pos = lower_bound(res.begin(), res.end(), a[i]) - res.begin(); res[pos] = a[i]; } } cout << n1 + n2 + n3 - res.size(); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int inter(int l1, int r1, int l2, int r2) { return max(0, min(r1, r2) - max(l1, l2) + 1); } int main() { ios::sync_with_stdio(0); cin.tie(0), cout.tie(0); int n; cin >> n; vector<pair<int, int>> a(n); for (int i = 0; i < n; ++i) { int l, r; cin >> l >> r; a[i] = {l, r}; }; sort(a.begin(), a.end()); int ans = 0; vector<int> l(n), r(n); l[n - 1] = a[n - 1].first, r[n - 1] = a[n - 1].second; for (int i = n - 2; i >= 0; --i) { l[i] = max(l[i + 1], a[i].first); r[i] = min(r[i + 1], a[i].second); } int L = 0, R = 1e9; for (int i = 0; i < n - 1; ++i) { ans = max(ans, a[i].second - a[i].first + 1 + inter(L, R, l[i + 1], r[i + 1])); L = max(L, a[i].first); R = min(R, a[i].second); ans = max(ans, max(0, R - L + 1) + max(0, r[i + 1] - l[i + 1] + 1)); } cout << ans; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int a[2*100001], b[2*100001]; int main() { int n, m = 0; cin >> n; for(int i=1; i<=n; ++i) cin >> a[i]; for(int i=n; i>0; --i){ int sum = 0; for(int k=i; k<=n; k+=i) sum += b[k]; if(a[i] != sum%2) { b[i] = 1; ++m; } } cout << m << endl; for(int i=1; i<=n; ++i) if(b[i] == 1) cout << i << endl; }
0
CPP
""" NTC here """ from sys import setcheckinterval, stdin setcheckinterval(1000) # print("Case #{}: {} {}".format(i, n + m, n * m)) iin = lambda: int(stdin.readline()) lin = lambda: list(map(int, stdin.readline().split())) def eqation(a,b): for i in range(26): if a[i]>b[i]: return False return True n=iin() s=input() m=iin() a=[input() for i in range(m)] sa=[[0 for i in range(26)] for j in range(n)] for i in range(n): sa[i][ord(s[i])-ord('a')]+=1 for i in range(1,n): for j in range(26): sa[i][j]+=sa[i-1][j] sa1=[[0 for i in range(26)] for j in range(m)] for i in range(m): for j,k in enumerate(a[i]): sa1[i][ord(k)-ord('a')]+=1 for i in range(m): l,r=0,n-1 mn=0 ans=n-1 while l<=r: m=l+r m//=2 if eqation(sa1[i],sa[m]): r=m-1 ans=min(ans,m) else: l=m+1 print(ans+1)
8
PYTHON3
T=int(input()) for _ in range(T): n=int(input()) a=input().split() for i in range(n): a[i]=int(a[i]) a.sort() mini=a[1]-a[0] for i in range(1, n): if a[i]-a[i-1]<mini: mini=a[i]-a[i-1] if mini==0: break print(mini)
8
PYTHON3
if __name__ == "__main__": n,x= map(int, input().split()) Nums = list(map(int, input().split())) step=0 if Nums.count(x)>0: Nums.sort() step=x-Nums.index(x)+1 else: Nums.append(x) Nums.sort() step=x-Nums.index(x) print(step)
7
PYTHON3
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:10000000") using namespace std; template <typename T> inline T abs(T a) { return ((a < 0) ? -a : a); } template <typename T> inline T sqr(T a) { return a * a; } const int INF = (int)1E9 + 7; const long double EPS = 1E-9; const long double PI = 3.1415926535897932384626433832795; int d[30][110][110], k; int cost[30][30]; string s; int solve(char c, int leng, int k) { if (leng == 1) return 0; if (d[c - 'a'][leng][k] == -1) { int& ans = d[c - 'a'][leng][k] = -INF; int npos = int((s).size()) - leng + 1; for (char nc = 'a'; nc <= 'z'; nc++) { if (nc != s[npos] && k > 0) { ans = max(ans, solve(nc, leng - 1, k - 1) + cost[c - 'a'][nc - 'a']); } if (nc == s[npos]) ans = max(ans, solve(nc, leng - 1, k) + cost[c - 'a'][nc - 'a']); } } return d[c - 'a'][leng][k]; } int main() { memset(d, -1, sizeof d); cin >> s >> k; int n; cin >> n; for (int i = 0; i < int(n); ++i) { char u, v; scanf(" %c %c ", &u, &v); u -= 'a', v -= 'a'; scanf("%d", &cost[u][v]); } int maxV = -INF; for (char c = 'a'; c <= 'z'; c++) { if (s[0] != c && k > 0) { maxV = max(maxV, solve(c, int((s).size()), k - 1)); } if (s[0] == c) maxV = max(maxV, solve(c, int((s).size()), k)); } cout << maxV << endl; return 0; }
9
CPP
def ryad(n): if n % 4 == 1 or n % 4 == 2: n=n+2 rd=n//2-1 return rd c=input() n=int(c[0:len(c)-1]) s=c[-1] obsl="fedabc" x=ryad(n) time=x*6+x//2*3+x-x//2+obsl.index(s)+1 print(time)
8
PYTHON3
#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define fast_in_out ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define ln "\n" #define sc scanf #define pr printf const double EPS = (double) 1e-9; const double pii = acos(-1); const int mod = 1000000007; const int N = (int) 1e5; ll arr[N + 1]; void prefixSum() { for(int i = 1; i <= N; i++) { arr[i] += arr[i - 1]; } } int main() { fast_in_out; map <char, int> mp; char ch = 'a'; int num = 1; while(ch <= 'z') { mp.insert({ch, num}); ch++; num++; } int n, q; cin >> n >> q; string s; cin >> s; for(int i = 0; i < n; i++) { arr[i] = mp[s[i]]; } prefixSum(); for(int i = 0; i < q; i++) { int l, r; cin >> l >> r; l--; r--; ll ans = arr[r]; if(l) { ans -= arr[l - 1]; } cout << ans << ln; } }
8
CPP
#include<bits/stdc++.h> #define lol(i,n) for(int i=0;i<n;i++) using namespace std; int d[1010][1010],h,w,a; int main(){ while(cin>>h>>w>>a&&h){ int x=0,y=0; memset(d,0,sizeof(d)); d[0][0]=a; lol(i,h)lol(j,w){ cin>>a; d[i+1][j]+=d[i][j]/2+d[i][j]%2*(1-a); d[i][j+1]+=d[i][j]/2+d[i][j]%2*a; d[i][j]+=a; } while(x<w&&y<h){ if(d[y][x]%2)y++; else x++; } cout<<y+1<<" "<<x+1<<endl; } return 0; }
0
CPP
#include <iostream> using namespace std; int main() { int A, B, C; cin >> A >> B >> C; cout << A * B / 2; }
0
CPP
#include <iostream> #include <map> #include <string> int main(int argc, char *argv[]) { int q; std::cin >> q; std::map<std::string, long> m; for (int i = 0; i < q; ++i) { int c; std::string key; std::cin >> c >> key; switch (c) { case 0: int x; std::cin >> x; m[key] = x; break; case 1: if (m.find(key) != m.end()) std::cout << m.at(key) << std::endl; else std::cout << 0 << std::endl; break; case 2: m.erase(key); break; case 3: std::string r; std::cin >> r; auto begin = m.lower_bound(key), end = m.upper_bound(r); for (auto i = begin; i != end; ++i) { std::cout << i->first << " " << i->second << std::endl; } break; } } }
0
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 3000 + 10; const int INF = 1 << 30; int p[maxn], f1[maxn], f2[maxn], t[maxn]; int main() { int n, k; scanf("%d%d", &n, &k); for (int i = 1; i <= n; i++) scanf("%d", &p[i]); for (int i = 1; i <= n; i++) t[i] = i == 1 ? 0 : INF; for (int i = n; i >= 1; i--) { if (f1[i + 1] || p[i] == 100) f1[i] = 1; if (f2[i + 1] || p[i] > 0) f2[i] = 1; } int ans = 0; bool ok = 0; for (int i = 1; i <= n; i++) if (t[i] <= k) { if (p[i] != 100 && f2[i + 1]) { t[i + 1] = min(t[i + 1], t[i] + 1); } ans++; if (p[i] > 0) { if (f1[i + 1]) { t[i + 2] = min(t[i + 2], t[i] + 1); if (i + 1 == n) ok = 1; } else { ans += min(k - t[i], n - i); for (int j = i + 1; j <= n; j++) if (f2[j] && t[i] + j - i <= k) { if (j == n) ok = 1; t[j + 1] = min(t[j + 1], t[i] + j - i); if (p[i] != 100) t[j] = min(t[j], t[i] + j - i); } } } else { if (f2[i + 1]) t[i + 1] = min(t[i + 1], t[i] + 1); } } if (ok) ans++; printf("%d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; struct pt { long long x, y; }; struct seg { pt s, f; }; seg a[3]; inline bool eq(pt a, pt b) { return a.x == b.x && a.y == b.y; } long long cp(seg a1, seg b1) { pt a = {a1.f.x - a1.s.x, a1.f.y - a1.s.y}; pt b = {b1.f.x - b1.s.x, b1.f.y - b1.s.y}; return (long long)a.x * b.x + (long long)a.y * b.y; } long long dp(seg a1, seg b1) { pt a = {a1.f.x - a1.s.x, a1.f.y - a1.s.y}; pt b = {b1.f.x - b1.s.x, b1.f.y - b1.s.y}; return (long long)a.x * b.y - (long long)a.y * b.x; } double len(pt a, pt b) { return sqrt((double)(a.x - b.x) * (a.x - b.x) + (double)(a.y - b.y) * (a.y - b.y)); } bool in(pt a1, seg b1) { seg a, b; b.s = a.s = a1; a.f = b1.s, b.f = b1.f; if (dp(a, b) == 0 && cp(a, b) < 0) return 1; else return 0; } bool check(seg a, seg b, seg c) { if (eq(a.s, b.f)) swap(b.f, b.s); if (eq(a.f, b.s)) swap(a.f, a.s); if (eq(a.f, b.f)) swap(a.f, a.s), swap(b.f, b.s); if (!eq(a.s, b.s)) return 0; if (cp(a, b) < 0 || dp(a, b) == 0) return 0; if (in(c.f, a) && in(c.s, b)) swap(c.f, c.s); if (!in(c.s, a) || !in(c.f, b)) return 0; if ((double)abs(len(c.s, a.s)) / abs(len(a.s, a.f)) < 0.2 - 1E-10) return 0; if ((double)abs(len(c.s, a.f)) / abs(len(a.s, a.f)) < 0.2 - 1E-10) return 0; if ((double)abs(len(c.f, b.s)) / abs(len(b.s, b.f)) < 0.2 - 1E-10) return 0; if ((double)abs(len(c.f, b.f)) / abs(len(b.s, b.f)) < 0.2 - 1E-10) return 0; return 1; } int main(void) { int t; cin >> t; for (int curt = 0; curt < t; curt++) { bool ans = 0; for (int i = 0; i < 3; i++) scanf("%I64d%I64d%I64d%I64d", &a[i].s.x, &a[i].s.y, &a[i].f.x, &a[i].f.y); for (int i = 0; i < 3; i++) for (int j = i + 1; j < 3; j++) if (3 - i - j != i && 3 - i - j != j) if (check(a[i], a[j], a[3 - i - j])) ans = 1; if (ans) cout << "YES\n"; else cout << "NO\n"; } }
8
CPP
import math import os import random import re import sys if __name__ == '__main__': a = list(map(int, input().rstrip().split())) n=int(a[0]) m=int(a[1]) a=int(a[2]) c,d=0,0 if(n%a==0): c=n//a else: c=(n//a)+1 if(m%a==0): d=m//a else: d=(m//a)+1 t=c*d print(t)
7
PYTHON3
import random, math, sys from copy import deepcopy as dc from bisect import bisect_left, bisect_right from collections import Counter input = sys.stdin.readline # Function to take input def input_test(): n, m, k = map(int, input().strip().split(" ")) grid = [] for i in range(n): grid.append(list(input().strip())) def dfsUtil(i, j): nonlocal n, m, k, grid adj = [ [0, 1], [0, -1], [1, 0], [-1, 0] ] stack = [[i, j]] while stack: if k <= 0: return i, j = stack[-1][0], stack[-1][1] stack.pop() for kj in adj: ni, nj = i + kj[0], j+ kj[1] if 0 <= ni < n and 0 <= nj < m and grid[ni][nj] == ".": if k <= 0: return grid[ni][nj] = "Y" k -= 1 # print(i, j, "=>", ni, nj, "K = ", k) stack.append([ni, nj]) li, lj = 0, 0 s = 0 for i in range(n): for j in range(m): if grid[i][j] == ".": s += 1 li, lj = i+1-1, j+1-1 k = s - k - 1 grid[li][lj] = "Y" dfsUtil(li, lj) # print(grid) for i in range(n): for j in range(m): if grid[i][j] == "Y": grid[i][j] = "." elif grid[i][j] == ".": grid[i][j] = "X" for row in grid: print("".join(row)) # Function to test my code def test(): pass input_test() # test()
9
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { string ss, sk = ""; cin >> ss; int len = ss.length() - 1; while (ss[len] == '0') len--; if (len < 0) { cout << "YES" << endl; return 0; } for (int i = 0; i <= len; i++) { if (ss[i] != ss[len - i]) { cout << "NO" << endl; return 0; } } cout << "YES" << endl; }
7
CPP
nk=input().split() n=int(nk[0]) for i in range(int(nk[1])): if str(n)[-1]=="0": n=int(n/10) else: n-=1 print(n)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int read() { int x = 0, f = 0; char ch = getchar(); while (!isdigit(ch)) f |= ch == '-', ch = getchar(); while (isdigit(ch)) x = 10 * x + ch - '0', ch = getchar(); return f ? -x : x; } template <typename T> void print(T x) { if (x < 0) putchar('-'), x = -x; if (x >= 10) print(x / 10); putchar(x % 10 + '0'); } template <typename T> void print(T x, char let) { print(x), putchar(let); } const int N = 3e3 + 5; int t, n, a[N], d[N][N][2]; vector<int> G[N]; int main() { t = read(); while (t--) { n = read(); for (int i = 1; i <= n; i++) G[i].clear(); for (int i = 1; i <= n; i++) { a[i] = read(); G[a[i]].push_back(i); } for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) for (int k = 0; k <= 1; k++) { d[i][j][k] = 1e5; if (j <= i) d[i][j][k] = 0; } for (int l = 2; l <= n; l++) { for (int i = 1; i <= n - l + 1; i++) { int j = i + l - 1; int x = a[i]; if (a[i + 1] == a[i]) d[i][j][0] = min(d[i][j][0], d[i + 1][j][0]); else d[i][j][0] = min(d[i][j][0], d[i + 1][j][0] + 1); if (a[j] == a[i]) d[i][j][0] = min(d[i][j][0], d[i + 1][j][1]); else d[i][j][0] = min(d[i][j][0], d[i + 1][j][1] + 1); if (a[j] == a[i]) d[i][j][1] = min(d[i][j][1], d[i + 1][j][1]); else d[i][j][1] = min(d[i][j][1], d[i + 1][j][1] + 1); int k; for (k = 0; k < G[x].size(); k++) if (G[x][k] == i) break; for (int y = k + 1; y < G[x].size(); y++) { int q = G[x][y]; if (q < j) { if (a[q + 1] == x) d[i][j][0] = min(d[i][j][0], d[i][q][0] + d[q + 1][j][0]); else d[i][j][0] = min(d[i][j][0], d[i][q][0] + d[q + 1][j][0] + 1); if (a[j] == x) d[i][j][0] = min(d[i][j][0], d[i][q][0] + d[q + 1][j][1]); else d[i][j][0] = min(d[i][j][0], d[i][q][0] + d[q + 1][j][1] + 1); if (a[j] == a[i]) d[i][j][1] = min(d[i][j][1], d[i][q][0] + d[q + 1][j][1]); else d[i][j][1] = min(d[i][j][1], d[i][q][0] + d[q + 1][j][1] + 1); if (a[j] == a[q]) d[i][j][1] = min(d[i][j][1], d[i][q][1] + d[q + 1][j][1]); else d[i][j][1] = min(d[i][j][1], d[i][q][1] + d[q + 1][j][1] + 1); } else if (q == j) { if (a[i + 1] == a[i]) d[i][j][0] = min(d[i][j][0], d[i + 1][j - 1][0]); else d[i][j][0] = min(d[i][j][0], d[i + 1][j - 1][0] + 1); if (a[i + 1] == a[i]) d[i][j][1] = min(d[i][j][1], d[i + 1][j - 1][0]); else d[i][j][1] = min(d[i][j][1], d[i + 1][j - 1][0] + 1); if (a[j - 1] == a[i]) d[i][j][0] = min(d[i][j][0], d[i + 1][j - 1][1]); else d[i][j][0] = min(d[i][j][0], d[i + 1][j - 1][1] + 1); if (a[j - 1] == a[i]) d[i][j][1] = min(d[i][j][1], d[i + 1][j - 1][1]); else d[i][j][1] = min(d[i][j][1], d[i + 1][j - 1][1] + 1); } } } } cout << min(d[1][n][0], d[1][n][1]) << endl; } return 0; }
9
CPP
n = int(input()) nums = list(map(int, input().split())) nums.sort() for idx in range(len(nums)-1, -1, -1): if nums[idx] < 0: print(nums[idx]) break intSqrt = int(pow(nums[idx], 0.5)) if intSqrt*intSqrt != nums[idx]: print(nums[idx]) break
7
PYTHON3
#include <bits/stdc++.h> #define rep(i,l,n) for(int i=l;i<n;i++) #define all(a) a.begin(),a.end() #define o(a) cout<<a<<endl #define int long long using namespace std; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int,int> pii; signed main(){ int n; cin>>n; rep(i,0,n){ string s; cin>>s; int ans=0; int sz=s.size(); if(sz<6){ ans=-1; }else if(s[0]=='>'&&s[1]=='\''&&s[sz-1]=='~'&&sz%2==0&&s[sz/2]=='#'){ rep(i,2,sz-1){ if(i!=sz/2&&s[i]!='='){ ans=-1; break; } if(i==sz-2) ans=1; } }else if(s[0]=='>'&&s[1]=='^'&&s[sz-2]=='~'&&s[sz-1]=='~'&&sz%2==0){ rep(i,2,sz-2){ if(i%2==0&&s[i]!='Q'){ ans=-1; break; }if(i%2&&s[i]!='='){ ans=-1; break; } if(i==sz-3) ans=2; } }else{ ans=-1; } if(ans==-1) o("NA"); else if(ans==1) o("A"); else if(ans==2) o("B"); } }
0
CPP
#include <bits/stdc++.h> using namespace std; const int maxi = 54321; int papa[maxi]; int from[maxi], to[maxi]; int range[maxi]; bool visited[maxi]; void init(int n) { for (int i = 0; i <= n; i++) { papa[i] = i; } } int get(int x) { return (x == papa[x] ? x : papa[x] = get(papa[x])); } int main() { int n, m; cin >> n >> m; for (int i = 1; i <= m; i++) { cin >> from[i] >> to[i]; } init(n); int k = 0; for (int i = 1; i <= m; i++) { int x = get(from[i]); int y = get(to[i]); if (x != y) { range[k++] = i; visited[i] = true; papa[x] = y; } } init(n); for (int i = m; i >= 1; i--) { int x = get(from[i]); int y = get(to[i]); if (x != y) { if (!visited[i]) { visited[i] = true; range[k++] = i; } papa[x] = y; } } int q; cin >> q; while (q--) { int l, r; cin >> l >> r; init(n); for (int i = 0; i < k; i++) { if (range[i] < l || range[i] > r) { int x = get(from[range[i]]); int y = get(to[range[i]]); if (x != y) { papa[x] = y; } } } int ans(0); for (int i = 1; i <= n; i++) { if (papa[i] == i) ans++; } cout << ans << endl; } }
10
CPP
#import bisect import io,os input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline class Sortedlist: def __init__(self, iterable=[], _load=200): """Initialize sorted list instance.""" values = sorted(iterable) self._len = _len = len(values) self._load = _load self._lists = _lists = [values[i:i + _load] for i in range(0, _len, _load)] self._list_lens = [len(_list) for _list in _lists] self._mins = [_list[0] for _list in _lists] self._fen_tree = [] self._rebuild = True def _fen_build(self): """Build a fenwick tree instance.""" self._fen_tree[:] = self._list_lens _fen_tree = self._fen_tree for i in range(len(_fen_tree)): if i | i + 1 < len(_fen_tree): _fen_tree[i | i + 1] += _fen_tree[i] self._rebuild = False def _fen_update(self, index, value): """Update `fen_tree[index] += value`.""" if not self._rebuild: _fen_tree = self._fen_tree while index < len(_fen_tree): _fen_tree[index] += value index |= index + 1 def _fen_query(self, end): """Return `sum(_fen_tree[:end])`.""" if self._rebuild: self._fen_build() _fen_tree = self._fen_tree x = 0 while end: x += _fen_tree[end - 1] end &= end - 1 return x def _fen_findkth(self, k): """Return a pair of (the largest `idx` such that `sum(_fen_tree[:idx]) <= k`, `k - sum(_fen_tree[:idx])`).""" _list_lens = self._list_lens if k < _list_lens[0]: return 0, k if k >= self._len - _list_lens[-1]: return len(_list_lens) - 1, k + _list_lens[-1] - self._len if self._rebuild: self._fen_build() _fen_tree = self._fen_tree idx = -1 for d in reversed(range(len(_fen_tree).bit_length())): right_idx = idx + (1 << d) if right_idx < len(_fen_tree) and k >= _fen_tree[right_idx]: idx = right_idx k -= _fen_tree[idx] return idx + 1, k def _delete(self, pos, idx): """Delete value at the given `(pos, idx)`.""" _lists = self._lists _mins = self._mins _list_lens = self._list_lens self._len -= 1 self._fen_update(pos, -1) del _lists[pos][idx] _list_lens[pos] -= 1 if _list_lens[pos]: _mins[pos] = _lists[pos][0] else: del _lists[pos] del _list_lens[pos] del _mins[pos] self._rebuild = True def _loc_left(self, value): """Return an index pair that corresponds to the first position of `value` in the sorted list.""" if not self._len: return 0, 0 _lists = self._lists _mins = self._mins lo, pos = -1, len(_lists) - 1 while lo + 1 < pos: mi = (lo + pos) >> 1 if value <= _mins[mi]: pos = mi else: lo = mi if pos and value <= _lists[pos - 1][-1]: pos -= 1 _list = _lists[pos] lo, idx = -1, len(_list) while lo + 1 < idx: mi = (lo + idx) >> 1 if value <= _list[mi]: idx = mi else: lo = mi return pos, idx def _loc_right(self, value): """Return an index pair that corresponds to the last position of `value` in the sorted list.""" if not self._len: return 0, 0 _lists = self._lists _mins = self._mins pos, hi = 0, len(_lists) while pos + 1 < hi: mi = (pos + hi) >> 1 if value < _mins[mi]: hi = mi else: pos = mi _list = _lists[pos] lo, idx = -1, len(_list) while lo + 1 < idx: mi = (lo + idx) >> 1 if value < _list[mi]: idx = mi else: lo = mi return pos, idx def add(self, value): """Add `value` to sorted list.""" _load = self._load _lists = self._lists _mins = self._mins _list_lens = self._list_lens self._len += 1 if _lists: pos, idx = self._loc_right(value) self._fen_update(pos, 1) _list = _lists[pos] _list.insert(idx, value) _list_lens[pos] += 1 _mins[pos] = _list[0] if _load + _load < len(_list): _lists.insert(pos + 1, _list[_load:]) _list_lens.insert(pos + 1, len(_list) - _load) _mins.insert(pos + 1, _list[_load]) _list_lens[pos] = _load del _list[_load:] self._rebuild = True else: _lists.append([value]) _mins.append(value) _list_lens.append(1) self._rebuild = True def discard(self, value): """Remove `value` from sorted list if it is a member.""" _lists = self._lists if _lists: pos, idx = self._loc_right(value) if idx and _lists[pos][idx - 1] == value: self._delete(pos, idx - 1) def remove(self, value): """Remove `value` from sorted list; `value` must be a member.""" _len = self._len self.discard(value) if _len == self._len: raise ValueError('{0!r} not in list'.format(value)) def pop(self, index=-1): """Remove and return value at `index` in sorted list.""" pos, idx = self._fen_findkth(self._len + index if index < 0 else index) value = self._lists[pos][idx] self._delete(pos, idx) return value def bisect_left(self, value): """Return the first index to insert `value` in the sorted list. if value > bigger element, it returns len """ pos, idx = self._loc_left(value) return self._fen_query(pos) + idx def bisect_right(self, value): """Return the last index to insert `value` in the sorted list.""" pos, idx = self._loc_right(value) return self._fen_query(pos) + idx def count(self, value): """Return number of occurrences of `value` in the sorted list.""" return self.bisect_right(value) - self.bisect_left(value) def __len__(self): """Return the size of the sorted list.""" return self._len def __getitem__(self, index): """Lookup value at `index` in sorted list.""" pos, idx = self._fen_findkth(self._len + index if index < 0 else index) return self._lists[pos][idx] def __delitem__(self, index): """Remove value at `index` from sorted list.""" pos, idx = self._fen_findkth(self._len + index if index < 0 else index) self._delete(pos, idx) def __contains__(self, value): """Return true if `value` is an element of the sorted list.""" _lists = self._lists if _lists: pos, idx = self._loc_left(value) return idx < len(_lists[pos]) and _lists[pos][idx] == value return False def __iter__(self): """Return an iterator over the sorted list.""" return (value for _list in self._lists for value in _list) def __reversed__(self): """Return a reverse iterator over the sorted list.""" return (value for _list in reversed(self._lists) for value in reversed(_list)) def __repr__(self): """Return string representation of sorted list.""" return 'SortedList({0})'.format(list(self)) n,q = map(int,input().split()) arr = list(map(int,input().split())) arr = sorted(arr) d = [0] for i in range(n-1): d.append(arr[i+1]-arr[i]) sorted_arr = Sortedlist(arr) sorted_d = Sortedlist(d) #print(sorted_arr) #print(sorted_arr[-1]-sorted_arr[0]) print(sorted_arr[-1]-sorted_arr[0]-sorted_d[-1]) #print("---",arr,d) for j in range(q): op, x = map(int,input().split()) if op==0: loc = sorted_arr.bisect_left(x) frontd,reard = 0,0 if 0<loc<len(sorted_arr): frontd = sorted_arr[loc] - sorted_arr[loc-1] if loc<len(sorted_arr)-1: reard = sorted_arr[loc+1] - sorted_arr[loc] sorted_arr.pop(loc) if frontd>0: loc1 = sorted_d.bisect_left(frontd) sorted_d.pop(loc1) if reard>0: loc2 = sorted_d.bisect_left(reard) sorted_d.pop(loc2) if frontd>0 and reard>0: sorted_d.add(frontd+reard) else: loc = sorted_arr.bisect_left(x) frontd,reard = 0,0 if loc>0: frontd = x - sorted_arr[loc-1] if loc<len(sorted_arr): reard = sorted_arr[loc] - x sorted_arr.add(x) if frontd>0: sorted_d.add(frontd) if reard>0: sorted_d.add(reard) if frontd>0 and reard>0: loct = sorted_d.bisect_left(frontd+reard) sorted_d.pop(loct) if len(sorted_arr)>0 and len(sorted_d)>0: print(sorted_arr[-1]-sorted_arr[0]-sorted_d[-1]) else: print(0) # print(sorted_arr) # print(sorted_d)
10
PYTHON3
#include <cstring> #include <algorithm> #include <cstdio> #include <queue> #include <functional> using namespace std; typedef vector<int>::iterator viter; const int N = 400010; int _w; int n, m, ans; vector<int> right[N]; priority_queue<int, vector<int>, greater<int> > pq; int main() { _w = scanf( "%d%d", &n, &m ); for( int i = 0; i < n; ++i ) { int l, r; _w = scanf( "%d%d", &l, &r ); l += m, swap(l, r); if( l <= r ) right[l].push_back(r); } for( int i = 1; i <= m+m; ++i ) { for( viter it = right[i].begin(); it != right[i].end(); ++it ) pq.push(*it); while( !pq.empty() && pq.top() < i ) pq.pop(); if( !pq.empty() ) ++ans, pq.pop(); } ans = min(ans, m); printf( "%d\n", n-ans ); return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; int cnt = 0; for (int i = 0; i < n; i++) { int m; cin >> m; int h = 0; while (m) { int last = m % 10; if (last == 4 || last == 7) { h++; } m = m / 10; } if (h <= k) { cnt++; } } cout << cnt << endl; return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 1e4 + 10; const int INF = 1e9; int n; char s[maxn]; int P, M; struct node { int l, r; int left, right; } Tree[maxn]; int cur; vector<int> stk; void addNode(int x, bool flag) { ++cur; Tree[cur].l = x; if (!stk.empty()) { int par = stk.back(); if (!Tree[par].left) Tree[par].left = cur; else { assert(!Tree[par].right); Tree[par].right = cur; } } if (flag) stk.push_back(cur); else Tree[cur].r = x; } void buildTree() { for (int i = 0; i < n; ++i) { if (s[i] == '(' || (s[i] != '?' && s[i] != ')')) addNode(i, s[i] == '('); else if (s[i] == ')') { int v = stk.back(); Tree[v].r = i; stk.pop_back(); } } } long long dp[2][maxn][105]; bool mrk[2][maxn][105]; bool flag; long long f(int type, int v, int op) { if (!mrk[type][v][op]) { mrk[type][v][op] = true; if (!type) { if (Tree[v].l == Tree[v].r) return dp[type][v][op] = (!op) ? (s[Tree[v].l] - '0') : (-INF); dp[type][v][op] = -INF; int L = Tree[v].left; int R = Tree[v].right; if (op) { for (int x = 0; x <= 1; ++x) for (int y = 0; y <= 1; ++y) for (int i = 0; i <= op - 1; ++i) { if (abs(f(x, L, i)) == INF || abs(f(y, R, op - i - 1)) == INF) continue; if (flag) dp[type][v][op] = max(dp[type][v][op], f(x, L, i) - f(y, R, op - i - 1)); else dp[type][v][op] = max(dp[type][v][op], f(x, L, i) + f(y, R, op - i - 1)); } } for (int x = 0; x <= 1; ++x) for (int y = 0; y <= 1; ++y) for (int i = 0; i <= op; ++i) { if (abs(f(x, L, i)) == INF || abs(f(y, R, op - i)) == INF) continue; if (flag) dp[type][v][op] = max(dp[type][v][op], f(x, L, i) + f(y, R, op - i)); else dp[type][v][op] = max(dp[type][v][op], f(x, L, i) - f(y, R, op - i)); } } else { if (Tree[v].l == Tree[v].r) return dp[type][v][op] = (!op) ? (s[Tree[v].l] - '0') : (INF); dp[type][v][op] = INF; int L = Tree[v].left; int R = Tree[v].right; if (op) { for (int x = 0; x <= 1; ++x) for (int y = 0; y <= 1; ++y) for (int i = 0; i <= op - 1; ++i) { if (abs(f(x, L, i)) == INF || abs(f(y, R, op - i - 1)) == INF) continue; if (flag) dp[type][v][op] = min(dp[type][v][op], f(x, L, i) - f(y, R, op - i - 1)); else dp[type][v][op] = min(dp[type][v][op], f(x, L, i) + f(y, R, op - i - 1)); } } for (int x = 0; x <= 1; ++x) for (int y = 0; y <= 1; ++y) for (int i = 0; i <= op; ++i) { if (abs(f(x, L, i)) == INF || abs(f(y, R, op - i)) == INF) continue; if (flag) dp[type][v][op] = min(dp[type][v][op], f(x, L, i) + f(y, R, op - i)); else dp[type][v][op] = min(dp[type][v][op], f(x, L, i) - f(y, R, op - i)); } } } return dp[type][v][op]; } long long solve() { n = strlen(s); if (n == 1) return s[0] - '0'; if (P > M) { flag = true; swap(P, M); } buildTree(); return f(0, 1, P); } int main() { scanf(" %s %d %d", s, &P, &M); printf("%lld\n", solve()); return 0; }
11
CPP
n,m=map(int,input().split()) ans=0 for i in range(1,m+1): for j in range(1,m+1): if ( i*i %m + j*j % m) % m ==0: ans+=(((n-i)//m+1)*((n-j)//m+1)) print(ans)
8
PYTHON3
#include <bits/stdc++.h> using namespace std; int j, n, m, ans; string s[120]; int main() { scanf("%d %d", &n, &m); for (int i = 0; i < n; i++) { cin >> s[i]; } for (int i = 0; i < n - 1; i++) { if (s[i] > s[i + 1]) { for (j = 0; j < m; j++) { if (s[i][j] > s[i + 1][j]) { break; } } for (int k = 0; k < n; k++) { s[k].erase(j, 1); } ans++; m--; i = -1; } } printf("%d\n", ans); return 0; }
9
CPP
h, w = map(int, input().split()) a = [input() for _ in range(h)] s = sum([1 if a[i][j] == "#" else 0 for j in range(w) for i in range(h)]) print("Possible") if s == h + w - 1 else print("Impossible")
0
PYTHON3
for i in range(int(input())): i=input().split() e=i[0] k=int(i[1]) c=0 while c<k-1 and "0" not in e: el=[int(i) for i in e] e=int(e)+min(el)*max(el) c+=1 e=str(e) print("".join([str(i) for i in e]))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; inline int read() { int x = 0, f = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = x * 10 + ch - 48; ch = getchar(); } return x * f; } struct Segment { int a, l; bool operator<(const Segment &rhs) const { return a < rhs.a; } } t[105]; int n; int f[105][105][2]; int main() { n = read(); for (int i = 1; i <= n; i++) { t[i].a = read(); t[i].l = read(); } sort(t + 1, t + n + 1); t[0].a = -1145141919; int ans = -1145141919; for (int i = 0; i <= n; i++) { for (int j = 0; j <= i; j++) { for (int k = 0; k < 2; k++) { int l = t[j].a + t[j].l * k; int maxlen = -1145141919; int x = 0, y = 0; for (int o = i + 1; o <= n; o++) { for (int p = 0; p < 2; p++) { int l1 = t[o].a + t[o].l * p; if (l1 > maxlen) { maxlen = l1; x = o; y = p; } f[o][x][y] = max(f[o][x][y], f[i][j][k] + min(t[o].l, l1 - l) + maxlen - l1); } } } } } for (int j = 0; j <= n; j++) { for (int k = 0; k < 2; k++) ans = max(ans, f[n][j][k]); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; double PI = 3.141592653589793; const double EPS = 1e-9; const int N = 1e6 + 5; const long long mod = 1e9 + 7; const int oo = 1e9; int dx[] = {0, 0, 1, -1, 1, -1, 1, -1}; int dy[] = {1, -1, 0, 0, -1, 1, 1, -1}; int n, m; char g[501][501]; bool vis[501][501]; vector<pair<char, pair<int, int>>> ans; void dfs(int i, int j, bool p) { vis[i][j] = 1; ans.push_back({'B', {i, j}}); for (int k = 0; k <= 3; k++) { int nx = i + dx[k]; int ny = j + dy[k]; if (nx >= 0 && nx < n && ny >= 0 && ny < m && g[nx][ny] == '.' && !vis[nx][ny]) { dfs(nx, ny, 1); } } if (p) { ans.push_back({'D', {i, j}}); ans.push_back({'R', {i, j}}); } } int main() { cin >> n >> m; for (int i = 0; i <= n - 1; i++) for (int j = 0; j <= m - 1; j++) cin >> g[i][j]; for (int i = 0; i <= n - 1; i++) { for (int j = 0; j <= m - 1; j++) { if (!vis[i][j] && g[i][j] == '.') dfs(i, j, 0); } } cout << ans.size() << "\n"; for (int i = 0; i < ans.size(); i++) { cout << ans[i].first << " " << ans[i].second.first + 1 << " " << ans[i].second.second + 1 << "\n"; } }
10
CPP
for i in range(int(input())): x,y,n=map(int,input().split()) a2=n%x if(n-a2+y<=n): print(n-a2+y) else: print(n-a2-x + y)
7
PYTHON3
results = [] for _ in range(int(input())): a, b = map(int, input().split()) if a % b: results.append(str(b - a % b)) else: results.append('0') print('\n'.join(results))
10
PYTHON3
n = int(input()) num = list(str(n)) flag = 0 if len(num)==1: if num[0]=='9': flag = 1 print(9) if flag==0: if num[0]=='9': x=1 else: x=0 for i in range(x,len(num)): if int(num[i])>=5: num[i]=str(9-int(num[i])) print(''.join(num))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; template <class T> void show(T a, int n) { for (int i = 0; i < n; ++i) cout << a[i] << ' '; cout << endl; } template <class T> void show(T a, int r, int l) { for (int i = 0; i < r; ++i) show(a[i], l); cout << endl; } const int N = 1 << 10; const int M = 5000; const int oo = 10000 * 10000 * 10; struct Point { double x, y; } p[N]; struct Cir { double r; double x, y; } cir[N]; bool cmp(Cir a, Cir b) { return a.r < b.r; } inline double dis2(double x, double y, double xx, double yy) { return (x - xx) * (x - xx) + (y - yy) * (y - yy); } int n, m; int dex[N]; bool visited[N]; vector<int> e[N]; int d[N][N]; int que[N]; void bfs(int s, int d[]) { int i, j, k, u, v; memset(visited, 0, sizeof(visited)); int head = 0, tail = 0; for (i = 0; i < m + 1; ++i) d[i] = oo; que[tail++] = s; d[s] = 0; visited[s] = true; while (head != tail) { u = que[head++]; for (i = 0; i < e[u].size(); ++i) { int v = e[u][i]; if (!visited[v]) { d[v] = d[u] + 1; visited[v] = true; que[tail++] = v; } } } } void solve() { int i, j, k; sort(cir, cir + m, cmp); memset(visited, 0, sizeof(visited)); for (i = 0; i < m; ++i) { for (j = i + 1; j < m; ++j) { if (dis2(cir[i].x, cir[i].y, cir[j].x, cir[j].y) < cir[j].r * cir[j].r) { visited[i] = true; e[i].push_back(j); e[j].push_back(i); break; } } } for (i = 0; i < m; ++i) if (!visited[i]) { e[i].push_back(m); e[m].push_back(i); } for (i = 0; i < m + 1; ++i) { bfs(i, d[i]); } for (i = 0; i < n; ++i) { dex[i] = m; for (j = 0; j < m; ++j) { if (dis2(p[i].x, p[i].y, cir[j].x, cir[j].y) < cir[j].r * cir[j].r) { dex[i] = j; break; } } } } int main() { int i, j, cas = 0; int q; scanf("%d %d %d", &n, &m, &q); for (i = 0; i < n; ++i) scanf("%lf %lf", &p[i].x, &p[i].y); for (i = 0; i < m; ++i) scanf("%lf %lf %lf", &cir[i].r, &cir[i].x, &cir[i].y); solve(); while (q--) { int u, v; scanf("%d %d", &u, &v); u = dex[u - 1]; v = dex[v - 1]; printf("%d\n", d[u][v]); } return 0; }
10
CPP
n,p=map(int, input().split()) l=list(map(int, input().split())) if n==1: print(max(l[0],p-l[0])) else: l=list(set(l)) l.sort() x=len(l) if x==1: print(max(l[0],p-l[0])) else: t=(l[1]-l[0])/2 for i in range(2,x): if (l[i]-l[i-1])/2>t: t=(l[i]-l[i-1])/2 if t>max(l[0],p-l[x-1]): print(t) else: print(max(l[0],p-l[x-1]))
8
PYTHON3
n, k = map(int, input().split()) if k <= (n+1)//2: print((2*k) - 1) else: print((k-((n+1)//2))*2)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; template <typename T> T INF(T a) { a = numeric_limits<T>::max(); return a; } template <typename T> T mINF(T a) { a = numeric_limits<T>::min(); return a; } class node { public: int st; list<int> nb; }; int main() { int n, a1, a2; cin >> n; vector<node> g(n); int maxs = mINF(int()); for (int i = 0; i < (n); i++) { scanf("%d", &a1); g[i].st = a1; maxs = max(a1, maxs); } int nm = 0; int nm1 = 0; for (int i = 0; i < (n); i++) { if (g[i].st == maxs) nm++; if (g[i].st == maxs - 1) nm1++; } for (int i = 0; i < (n - 1); i++) { scanf("%d %d", &a1, &a2); a1--, a2--; g[a1].nb.push_back(a2); g[a2].nb.push_back(a1); } int add = 2; for (int i = 0; i < (n); i++) { int nmcur = 0, nm1cur = 0; bool unicomax = false; if (g[i].st == maxs) nmcur++, unicomax = true; else if (g[i].st == maxs - 1) nm1cur++; for (__typeof((g[i].nb).begin()) it = (g[i].nb).begin(); it != (g[i].nb).end(); it++) { if (g[*it].st == maxs) { nmcur++; } else if (g[*it].st == maxs - 1) { nm1cur++; } } if (nm == nmcur) { if (unicomax and nm == 1 and nm1 == nm1cur) { add = 0; } else { add = min(add, 1); } } else { add = min(add, 2); } } cout << maxs + add << endl; return 0; }
9
CPP
import math def list_primes_upto(upto :int): pcl = [True for x in range(upto+1)] primes_list = [] if upto >= 2: primes_list.append(2) if upto >= 3: primes_list.append(3) for i in range(6, upto + 2, 6): if i-1 <= upto and pcl[i-1]: primes_list.append(i-1) for k in range((i-1)**2, upto+1, (i-1)*2): pcl[k] = False if i+1 <= upto and pcl[i+1]: primes_list.append(i+1) for k in range((i+1)**2, upto+1, (i+1)*2): pcl[k] = False return primes_list t = int(input()) tests = [] for q in range(t): tests.append([int(x) for x in input().split()]) check_limit = 0 for a, b in tests: if a-b == 1: check_limit = max(check_limit, a+b) primes = list_primes_upto(int(math.sqrt(check_limit))+1) for a, b in tests: yes = True if a-b != 1: yes = False if yes: apb = a+b is_apb_prime = True for p in primes: if not is_apb_prime or p >= apb: break is_apb_prime = is_apb_prime and (apb % p != 0) yes = yes and is_apb_prime print("YES" if yes else "NO")
8
PYTHON3
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; int t, n, m; int nxt[1000000]; int cnt[1000000]; int q[1000000]; int b[1000000]; int dp[2][1000000]; int main() { ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); cin >> t; while (t--) { cin >> n >> m; string s; for (int i = 0; i < n; ++i) { cin >> s; for (int j = 0; j < m; ++j) { b[i * m + j] = s[j] == '0'; } } for (int i = 0; i < n; ++i) { cin >> s; for (int j = 0; j < m; ++j) { int nx = -1; if (s[j] == 'U') { nx = (i - 1) * m + j; } if (s[j] == 'D') { nx = (i + 1) * m + j; } if (s[j] == 'L') { nx = i * m + j - 1; } if (s[j] == 'R') { nx = i * m + j + 1; } nxt[i * m + j] = nx; } } int sz = n * m; for (int i = 0; i < sz; ++i) { dp[0][i] = nxt[i]; } for (int i = 0; i < 20; ++i) { for (int j = 0; j < sz; ++j) { dp[1][j] = dp[0][dp[0][j]]; } for (int j = 0; j < sz; ++j) { dp[0][j] = dp[1][j]; } } fill(cnt, cnt + sz, 0); fill(q, q + sz, 0); for (int i = 0; i < sz; ++i) { ++cnt[dp[0][i]]; q[dp[0][i]] += b[i]; } int ans1 = 0, ans2 = 0; for (int i = 0; i < sz; ++i) { ans1 += (int)(cnt[i] > 0); ans2 += (int)(q[i] > 0); } cout << ans1 << ' ' << ans2 << endl; } return 0; }
12
CPP
s = input() res = set() for i in range(len(s)): l = i + len(s) sc = s[i:l] + s[0:i] res.add(sc) print(len(res))
7
PYTHON3
m, r = map(int, input().split()) answer = 0 from math import sqrt def fef(vev): if vev == 0: return 0 if vev <= 1: return 2 * r + sqrt(2) * r curr = 2 * r + sqrt(2) * r curr += (vev - 1) * (2 * r + sqrt(2) *2 * r) curr += r * (vev - 1) * (vev - 2) return curr for i in range(m): answer += fef(i) answer += fef(m - 1- i) answer += 2 * r print(answer / (m ** 2))
8
PYTHON3
/*long long or int&the MAX_INT or MIN_INT*/ /*the size of a[]&inline*/ /*xx 396*/ #include<bits/stdc++.h> #define pb push_back #define mp make_pair #define fst first #define snd second using namespace std; typedef long long ll; typedef double db; typedef long double ldb; template<class T>inline void checkmin(T &a,const T &b){if(b<a)a=b;} template<class T>inline void checkmax(T &a,const T &b){if(b>a)a=b;} vector<vector<int> >a; int n,m,k=0,tot=0; void print(vector<vector<int> >v){ cout<<"Yes\n"; for(int i=0;i<(int)v[0].size();i++)cout<<v[0][i]<<" "; } void solve1(){ for(int i=1;i<n;i++)for(int j=0;j<m;j++)a[i][j]=a[0][j]; print(a); } bool ok(int id1,int id2,int id3,vector<vector<int> >&v){ v[0][id2]=v[k][id2];v[k][id3]=v[0][id3]; vector<int>now; for(int i=1;i<n;i++){ int cnt=0; for(int j=0;j<m;j++){ if(j==id1)continue; if(v[0][j]!=v[i][j])cnt++; } if(cnt>2)return false; if(cnt==2)now.pb(a[i][id1]); } bool flag=true; if((int)now.size()==0)return true; int val=now[0]; for(int i=0;i<(int)now.size();i++)if(val!=now[i])flag=false; v[0][id1]=val; // if(flag==true)cout<<id1<<" "<<id2<<" "<<id3<<" "<<val<<endl; if(!flag)return false; else return true; } void solve2(){ int p[3],id=0; for(int i=0;i<m;i++)if(a[0][i]!=a[k][i])p[id++]=i; for(int i=0;i<3;i++)for(int j=0;j<3;j++)if(i!=j){ int k=3-i-j; vector<vector<int> >b=a; if(ok(p[k],p[i],p[j],b)){ print(b); return; } } printf("No\n"); } bool ok(int p1,int p2,int p3,int p4,vector<vector<int> >&v){ // cout<<p1<<" "<<p2<<" "<<p3<<" "<<p4<<endl; v[k][p1]=v[0][p1];v[k][p2]=v[0][p2];v[0][p3]=v[k][p3];v[0][p4]=v[k][p4]; // for(int i=0;i<m;i++)cout<<v[0][i]<<" ";cout<<endl; for(int i=0;i<n;i++){ int cnt=0; for(int j=0;j<m;j++){ if(v[i][j]!=v[0][j])cnt++; } if(cnt>2)return false; } return true; } void solve3(){ int p[4],id=0; for(int i=0;i<m;i++)if(a[0][i]!=a[k][i])p[id++]=i; // for(int i=0;i<4;i++)cout<<p[i]<<" ";cout<<endl; for(int i=0;i<4;i++)for(int j=i+1;j<4;j++)for(int k=0;k<4;k++)if(i!=k&&j!=k){ vector<vector<int> >b=a; if(ok(p[i],p[j],p[k],p[6-i-j-k],b)){ print(b); return; } } printf("No\n"); } int main(){ cin>>n>>m; for(int i=0;i<n;i++){ vector<int>v; for(int j=0;j<m;j++){ int x;cin>>x;v.pb(x); } a.pb(v); } for(int i=1;i<n;i++){ int cnt=0; for(int j=0;j<m;j++)if(a[i][j]!=a[0][j])cnt++; if(cnt>4){ cout<<"No\n"; return 0; } if(cnt>tot){ tot=cnt; k=i; } } if(tot<=2)solve1(); if(tot==3)solve2(); if(tot==4)solve3(); return 0; }
11
CPP
n=int(input()) ar=[] for k in range(n): a,b=map(int,input().split()) ar.append([a,b]) ar.sort(key=lambda x: x[0]) flag=False for i in range(n-1): if ar[i][0]<ar[i+1][0] and ar[i][1]>ar[i+1][1]: flag=True break if flag==True: print("Happy Alex") else: print("Poor Alex")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long a[30], n; vector<long long> xs, ys; long long calc(long long x) { int r = ys.size() - 1; long long ret = 0, s; for (int i = 0; i < xs.size(); i++) { s = xs[i]; if (s > x) break; while (ys[r] > x / s) r--; ret = ret + r + 1; } return ret; } int main() { scanf("%lld", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); sort(a + 1, a + 1 + n); for (int i = 1; i <= n / 2; i++) swap(a[i], a[n - i + 1]); long long mx = 1e18, s; xs.clear(); ys.clear(); xs.push_back(1); ys.push_back(1); for (int t = 1; t <= n / 2; t++) { s = a[t]; for (int i = 0; i < xs.size(); i++) if (s <= mx / xs[i]) xs.push_back(xs[i] * s); } for (int t = n / 2 + 1; t <= n; t++) { s = a[t]; for (int i = 0; i < ys.size(); i++) if (s <= mx / ys[i]) ys.push_back(ys[i] * s); } sort(xs.begin(), xs.end()); sort(ys.begin(), ys.end()); xs.erase(unique(xs.begin(), xs.end()), xs.end()); ys.erase(unique(ys.begin(), ys.end()), ys.end()); long long l = 1, r = 1e18; long long k; scanf("%lld", &k); while (l <= r) { long long mid = (l + r) / 2; if (calc(mid) < k) l = mid + 1; else r = mid - 1; } printf("%lld\n", l); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, a[10100], v[1001000]; int p[10100], nx[10100], ans = 1; int solve(int x, int y, int z) { int t = x; while (t <= y) t = nx[t]; if (t <= n) return solve(y, t, z + 1); return z; } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 1; i <= n; i++) { p[i] = v[a[i]]; v[a[i]] = i; } for (int i = 1; i <= n; i++) { nx[i] = n + 1; for (int j = i + 1; j <= n; j++) if (a[j] == a[i]) { nx[i] = j; break; } } for (int i = 1; i <= n; i++) if (!p[i]) for (int j = i + 1; j <= n; j++) { if (p[j] > i) continue; ans = max(ans, solve(i, j, 2)); } cout << ans << endl; }
9
CPP
s=input() for _ in range(int(input())): o=input().split() a,b=map(int,o[1:3]);b+=1 c=o[0][2] if c=='p':s=s[:a]+o[3]+s[b:] elif c=='i':print(s[a:b]) elif c=='v':s=s[:a]+s[a:b][::-1]+s[b:]
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long t; cin >> t; while (t--) { long long n, i; cin >> n; vector<long long> v, p, a; for (i = 0; i < n; i++) { long long temp; cin >> temp; v.push_back(temp); } long long cur = v[0]; long long cnt = 1; for (i = 1; i < n; i++) { if (v[i] == cur) cnt++; else { p.push_back(cnt); cnt = 1; cur = v[i]; } } if (cur > 0) p.push_back(cnt); long long sum = 0; for (i = 0; i < int(p.size()); i++) { if (sum + p[i] <= (n / 2)) { a.push_back(p[i]); sum += p[i]; } else break; } if (a.size() < 3) cout << 0 << " " << 0 << " " << 0 << endl; else { long long g = a[0]; long long n1 = a.size(); long long b = 0; long long ind; for (i = n1 - 1; i >= 1; i--) { if (b + a[i] <= g) b += a[i]; else { b += a[i]; ind = i - 1; break; } } if (b <= g) cout << 0 << " " << 0 << " " << 0 << endl; else { long long s = 0; for (i = 1; i <= ind; i++) s += a[i]; if (s <= g) cout << 0 << " " << 0 << " " << 0 << endl; else cout << g << " " << s << " " << b << endl; } } } return 0; }
7
CPP
# -*- coding: utf-8 -*- """ Created on Wed May 23 04:45:33 2018 @author: USER """ a=int(input()) b=(a//2)*(a//2+1) c=(a*(a+1))//2 d=c-b f=b-d print(f)
7
PYTHON3
// Author:- Pratik Kinger // Birla Institute of Technology #include <bits/stdc++.h> #define ll long long #define pb push_back #define mp make_pair #define pii pair<ll, ll> #define vi vector<ll> #define vii vector<pii> #define mi map<ll, ll> #define mii map<pii, ll> #define f(i, a, b) for (ll i = (ll)a; i < (ll)b; i++) #define rf(i, a, b) for (ll i = (ll)a; i >= (ll)b; i--) #define FIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define all(a) (a).begin(), (a).end() #define fi first #define si second #define sz(x) (ll) x.size() #define endl '\n' #define mod 1000000007 #define mset(m, v) memset(m, v, sizeof(m)) using namespace std; const ll MOD = 1000000000 + 7; //------------------------------CODE--HERE-------------------------- //----------global--variables------------------- //------------end------------------------------- bool check_palind(string s) { int n = s.length(); for(int i = 0; i<n/2; i++) { if(s[i] != s[n - i - 1]) { return false; } if(s[i] == '?' || s[n - i - 1] == '?') return false; } return true; } void solve() { int a, b; cin>>a>>b; string s; cin>>s; int n = a + b; for(int i = 0; i<n; i++) { if(s[i] == '?' && s[n - i - 1] != '?') { s[i] = s[n - i - 1]; } } // cout<<s<<endl; int needed_0 = 0, needed_1 = 0; int coun_0 = 0, coun_1 = 0, coun_q = 0; for(int i = 0; i<n; i++) { if(s[i] == '0') coun_0++; if(s[i] == '1') coun_1++; } coun_q = n - coun_0 - coun_1; needed_0 = a - coun_0; needed_1 = b - coun_1; if(needed_0 < 0 || needed_1 < 0) { cout<<-1<<endl; return; } if(n%2 == 1 && s[n/2] == '?') { if(needed_0%2 == 0 && needed_1%2 == 0) { cout<<-1<<endl; return; } else if(needed_0%2 == 1) { s[n/2] = '0'; needed_0--; } else if(needed_1%2 == 1) { s[n/2] = '1'; needed_1--; } } if(needed_0%2 != 0 || needed_1%2 != 0) { cout<<-1<<endl; return; } for(int i = 0; i<n; i++) { if(s[i] == '?') { if(needed_0 > 1) { s[i] = '0'; s[n - i - 1] = '0'; needed_0 -= 2; } else if(needed_1 > 1) { s[i] = '1'; s[n - i - 1] = '1'; needed_1 -= 2; } } } if(check_palind(s)) cout<<s<<endl; else cout<<-1<<endl; } //------------------------------ int main() { //FAST INPUT OUTPUT FIO; //INPUT OUTPUT #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t; cin >> t; while (t--) { solve(); } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; vector<int> arr[150]; long long n, k, dp[105][105], ans = 0; string s; long long solve(int indx, long long len) { if (!len) return 1; if (indx == n) return 1e18; if (dp[indx][len] != -1) return dp[indx][len]; bool vis[150] = {}; long long ret = 0; for (int i = indx; i < n; i++) { if (!vis[s[i]]) { vis[s[i]] = 1; long long temp = solve(i + 1, len - 1); if (temp >= 1e18) break; else ret += temp; } } return dp[indx][len] = ret; } int main() { memset(dp, -1, sizeof dp); cin >> n >> k >> s; for (int i = 0; i < n; i++) { arr[s[i]].push_back(i); } for (int i = n; i >= 0 && k > 0; i--) { long long tmp = solve(0, i); ans += (n - i) * min(k, tmp); k -= min(k, tmp); } if (!k) cout << ans << '\n'; else cout << -1 << '\n'; return 0; }
11
CPP