제출 #1290167

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1290167		muhammad-ahmad	Voting Cities (NOI22_votingcity)	C++20	0 / 100	8 ms	824 KiB

Main

// #include <bits/stdc++.h>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <map>
#include <vector>
#include <iomanip>
#include <string>
#include <queue>
#include <set>
#include <deque>
#include <numeric>
#include <stack>
#include <chrono>
using namespace std;

#define int long long
#define endl '\n'
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define fi first
#define se second

const int N = 5005;
vector<pair<int, int>> adj[N];
int n, e, k, S, E, Q, dist[N];

void bfs(){
	for (int i = 1; i < N; i++) dist[i] = 1e18;
	priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
	pq.push({0, S});
	while (pq.size()){
		auto [d, u] = pq.top(); pq.pop();
		for (auto [v, w] :  adj[u]){
			if (dist[v] > d + w){
				dist[v] = d + w;
				pq.push({dist[v], v});
			}
		}
	}
}

void solve() {
	cin >> n >> e >> k;
	cin >> E;
	
	for (int i = 1; i <= e; i++){
		int u, v, c; cin >> u >> v >> c;
		adj[u].push_back({v, c});
	}
	
	cin >> Q >> S;
	bfs();
	
	if (dist[E] == 1e18) cout << -1 << endl;
	else cout << dist[E] << endl;
	
	return;
}

signed main() {
    srand(chrono::steady_clock::now().time_since_epoch().count());
    int tc = 1;
    // cin >> tc;
    while (tc--) solve();
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 10
• Subtask 7: 0 / 15
• Subtask 8: 0 / 50