제출 #523821

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
523821		79brue	Firefighting (NOI20_firefighting)	C++14	3 / 100	271 ms	25156 KiB

Firefighting

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n; ll k;
vector<pair<int, ll> > link[300002];

int main(){
    scanf("%d %lld", &n, &k);
    for(int i=1; i<n; i++){
        int x, y; ll v;
        scanf("%d %d %lld", &x, &y, &v);
        link[x].push_back(make_pair(y, v));
        link[y].push_back(make_pair(x, v));
    }

    printf("%d\n", n);
    for(int i=1; i<=n; i++) printf("%d ", i);
}

컴파일 시 표준 에러 (stderr) 메시지

Firefighting.cpp: In function 'int main()':
Firefighting.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %lld", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
Firefighting.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%d %d %lld", &x, &y, &v);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 5
• Subtask 3: 0 / 9
• Subtask 4: 0 / 19
• Subtask 5: 0 / 26
• Subtask 6: 0 / 38