Submission #725524

#TimeUsernameProblemLanguageResultExecution timeMemory
725524vjudge1Schools (IZhO13_school)C++17
0 / 100
1 ms212 KiB
#include <bits/stdc++.h> #define F first #define S second using namespace std; using ll = long long; using PI = pair<ll, ll>; using PII = pair<PI, ll>; int main() { freopen("school.in", "r", stdin); freopen("school.out", "w", stdout); //ios_base::sync_with_stdio(0); cin.tie(0); ll n, m, s; cin >> n >> m >> s; vector<PII> vp(n+10); for(ll i = 0; i < n; i++){ cin >> vp[i].F.F >> vp[i].F.S; vp[i].S = i; } ll ans = 0; cout << ans <<"\n"; }

Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen("school.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
school.cpp:14:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     freopen("school.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
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