제출 #1165781

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1165781	2025-03-12 14:42:32	nguyn	건물 4 (JOI20_building4)	C++20	100 / 100	131 ms	26040 KiB

building4

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#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define F first
#define S second
#define pb push_back 
#define pii pair<int,int>
const int N = 1e6 + 5;
const int inf = 2e9;
int n, a[N], b[N]; 
pii f[N][2];
signed main(){
    ios_base::sync_with_stdio(false) ; 
    cin.tie(0) ; cout.tie(0) ; 
    if (fopen("INP.INP" ,"r")) {
        freopen("INP.INP" ,"r" , stdin) ;
        freopen("OUT.OUT" , "w" , stdout) ;
    }
    cin >> n;
    for (int i = 1; i <= 2 * n; i++) {
      cin >> a[i];
    }
    for (int i = 1; i <= 2 * n; i++) {
      cin >> b[i]; 
    }
    f[1][0] = {0, 0};
 
 
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컴파일 시 표준 에러 (stderr) 메시지

building4.cpp: In function 'int main()':
building4.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("INP.INP" ,"r" , stdin) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
building4.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("OUT.OUT" , "w" , stdout) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 89 / 89