제출 #841784

#제출 시각아이디문제언어결과실행 시간메모리
841784ntannn축구 경기장 (IOI23_soccer)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> //#pragma GCC optimize("O3,unroll-loops,no-stack-protector") //#pragma GCC target("sse4,avx2,fma") #define fi first #define se second #define mp make_pair #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() using namespace std; typedef long long ll; typedef pair<int,int> ii; typedef pair<ll,ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<ii> vii; typedef vector<vi> vvi; const int N = 1e6+10; const ll MOD = 1e9+7; int n; vvi a; void solve() { for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(a[i][j] == 1) { return cout << n*n - min({(i+1)*(j+1), (i+1)*(n-j), (n-i)*(j+1), (n-i)*(n-j)}), void(); } } } cout << n*n; } void init() { cin >> n; for(int i = 0; i < n; i++) { vi temp; temp.resize(n); for(int j = 0; j < n; j++) cin >> temp[j]; a.eb(temp); } } #define task "a" signed main() { cin.tie(nullptr); ios_base::sync_with_stdio(false); if(fopen(task".inp","r")) { freopen(task".inp","r",stdin); freopen(task".out","w",stdout); } int test_case = 1; //cin >> test_case; while(test_case--) { init(); solve(); } }

컴파일 시 표준 에러 (stderr) 메시지

soccer.cpp: In function 'int main()':
soccer.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccGgCYXn.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc3eKZsn.o:soccer.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccGgCYXn.o: in function `main':
grader.cpp:(.text.startup+0x4ac): undefined reference to `biggest_stadium(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status