제출 #984808

#제출 시각아이디문제언어결과실행 시간메모리
984808rshohruh사이버랜드 (APIO23_cyberland)C++17
8 / 100
37 ms4188 KiB
#include "cyberland.h"

#include <vector>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using node = pair<int, ll>;
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr) {
    for(int x: arr) assert(x == 1);
    vector<vector<node>> g(N);
    vector<ll> h(N, 1e18);
    for(int i = 0; i < M; ++i){
        g[x[i]].emplace_back(y[i], c[i]);
        g[y[i]].emplace_back(x[i], c[i]);
    }
    
    priority_queue<node, vector<node>, greater<node>> b; 
    b.emplace(0, 0);
    while(!b.empty()){
        auto [u, cur] = b.top();
        b.pop();
        if(h[u] <= cur) continue;
        h[u] = cur;
        for(auto [v, w]: g[u])
            b.emplace(v, w+cur);
    }
    return h[H];
}
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