제출 #1128716

#제출 시각아이디문제언어결과실행 시간메모리
1128716raiselBomb (IZhO17_bomb)C++20
0 / 100
3 ms584 KiB
#include <bits/stdc++.h> #pragma GCC optimize("O3") #pragma GCC target("avx2") #define forn for(int i=1;i<=n;i++) #define Yes cout<<"YES\n" #define No cout<<"NO\n" #define YES cout<<"YES\n" #define NO cout<<"NO\n" #define pb push_back #define sp setprecision #define int long long #define ll long long #define nn '\n' using namespace std; const int N=2502; const int MOD=1e9+7; char a[N][N]; string ab="abcdefghijklmnopqrstuvwxyz"; int binpow(int n, int k) { int ans = 1; while (k > 0) { if (k % 2 == 1) { ans = (ans * n) % MOD; } n = (n * n) % MOD; k /= 2; } return ans; } int n,m; string s; void al(){ cin>>n>>m; for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ cin>>a[i][j]; } } int cnt=0; vector<int>v; a[n+1][m]=a[n][m]; a[n][m+1]=a[n][m]; for(int i=1;i<=n+1;i++){ for(int j=1;j<=m+1;j++){ if(a[i][j]=='1') cnt++; else { if(cnt>0) v.pb(cnt); cnt=0; } } } int x=v[0]; for(auto i:v){ int g=__gcd(x,i); x=g; } cout<<x; } signed main(){ freopen("bomb.in","r",stdin); freopen("bomb.out","w",stdout); ios_base::sync_with_stdio(false); cin.tie(nullptr); int t=1; // cin>>t; while(t--) { al(); } }

컴파일 시 표준 에러 (stderr) 메시지

bomb.cpp: In function 'int main()':
bomb.cpp:61:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |   freopen("bomb.in","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bomb.cpp:62:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |     freopen("bomb.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
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