제출 #516368

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
516368	2022-01-21 08:36:58	XII	Robot (JOI21_ho_t4)	C++17	0 / 100	168 ms	38604 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, a, b) for(int i = (a); i < (b); ++i)
#define FORU(i, a, b) for(int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for(int i = (a); i >= (b); --i)
#define IOS cin.tie(0)->sync_with_stdio(false);
#define PROB "QG04PAINT"
void Fi(){
    if(fopen(PROB".inp", "r")){
        freopen(PROB".inp", "r", stdin);
        freopen(PROB".out", "w", stdout);
    }
}
const int N = 1e5 + 1;
int n, m;
using pi = pair<int, int>;
map<int, vector<pi>> adj[N];
map<int, bool> vis[N];
map<int, ll> sum[N];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void Fi()':
Main.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen(PROB".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen(PROB".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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