Submission #1291521

#TimeUsernameProblemLanguageResultExecution timeMemory
1291521anhphantBitaro the Brave (JOI19_ho_t1)C++20
0 / 100
0 ms332 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll n, m; char a[3007][3007]; ll pO[3007][3007], pS[3007][3007]; void solve() { cin >> n >> m; for(int i = 1; i <= n; ++i) { for(int j = 1; j <= m; ++j) { cin >> a[i][j]; } } for(int i = 1; i <= n; ++i) { for(int j = 1; j <= m; ++j) { } } } int main() { ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0); cerr.tie(0); if (fopen("test.inp", "r")) { freopen("test.inp", "r", stdin); freopen("test.out", "w", stdout); } solve(); }

Compilation message (stderr)

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:28:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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