제출 #868663

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
868663		SmuggingSpun	Sjekira (COCI20_sjekira)	C++14	110 / 110	19 ms	3132 KiB

sjekira

#include<bits/stdc++.h>
#define taskname "paradigm"
using namespace std;
typedef long long ll;
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
		freopen(taskname".out", "w", stdout);
	}
	int n; cin >> n; ll ans = 0; vector<int>a(n); for(int& x : a) cin >> x, ans += x;
	for(int i = 1; i < n; i++){
		int u, v; cin >> u >> v; ans += max(a[u - 1], a[v - 1]);
	}
	cout << ans - *max_element(a.begin(), a.end());
}

컴파일 시 표준 에러 (stderr) 메시지

sjekira.cpp: In function 'int main()':
sjekira.cpp:8:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |   freopen(taskname".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sjekira.cpp:9:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   freopen(taskname".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 60 / 60