제출 #22447

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
22447		도치피치피보족 (#40)	Logistical Metropolis (KRIII5_LM)	C++14	2 / 7	2000 ms	36652 KiB

LM

#include <cstdio>
#include <vector>
#include <queue>
#include <functional>
using namespace std;
typedef pair<int, long long> P;
vector<P> vec[100001];
int visit[100001] = { 0 };
long long solve(int index){
	long long ans = 0;
	queue<P> q;
	priority_queue<P, vector<P>, greater<P> > pq;

	visit[index] = 1;
	for (auto i : vec[index]){
		q.push(i);
		visit[i.second] = 1;
		ans += i.first;
	}
	while (!q.empty()){
		for (auto next : vec[q.front().second])
			pq.push(next);
		q.pop();
	}
	while (!pq.empty()){
		long long cost = pq.top().first;
		int curr = pq.top().second;
		pq.pop();
		if (visit[curr]) continue;
		visit[curr] = 1;
		ans += cost;
		for (auto next : vec[curr]) pq.push(next);
	}
	return ans;
}
int main(){
	int N, M;
	scanf("%d%d", &N, &M);
	for (int m = 0; m < M; m++){
		int s, e;
		long long v;
		scanf("%d%d%d", &s, &e, &v);
		vec[s].push_back({ v, e });
		vec[e].push_back({ v, s });
	}

	for (int n = 1; n <= N; n++){
		for (int v = 1; v <= N; v++) visit[v] = 0;
		printf("%lld\n",solve(n));
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

LM.cpp: In function 'int main()':
LM.cpp:42:29: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=]
   scanf("%d%d%d", &s, &e, &v);
                             ^
LM.cpp:38:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
                       ^
LM.cpp:42:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &s, &e, &v);
                              ^

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5