제출 #942750

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
942750		guagua0407	함박 스테이크 (JOI20_hamburg)	C++17	2 / 100	64 ms	8132 KiB

hamburg

//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

const int inf=1e9+5;

int main() {_
    int n,k;
    cin>>n>>k;
    int mnx=inf;
    int mny=inf;
    for(int i=0;i<n;i++){
        int x1,y1,x2,y2;
        cin>>x1>>y1>>x2>>y2;
        mnx=min(mnx,x2);
        mny=min(mny,y2);
    }
    cout<<mnx<<' '<<mny<<'\n';
    return 0;
}
//maybe its multiset not set
//yeeorz
//laborz

컴파일 시 표준 에러 (stderr) 메시지

hamburg.cpp: In function 'void setIO(std::string)':
hamburg.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hamburg.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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