이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "bits/stdc++.h"
#include "cyberland.h"
using namespace std;
#include <vector>
double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
vector<pair<int, int>> adj[N];
for(int i = 0; i < M; ++i) {
adj[x[i]].emplace_back(y[i], c[i]);
adj[y[i]].emplace_back(x[i], c[i]);
}
int dist[N];
for(int i = 0; i < N; ++i) dist[i] = -1;
queue<int> q;
dist[0] = 0;
q.push(0);
while(!q.empty()) {
int a = q.front();
q.pop();
for(auto [b, w] : adj[a]) {
if(dist[b] != -1) continue;
dist[b] = dist[a] + w;
q.push(b);
}
}
return dist[H];
/* vector<pair<int, double>> adj[N]; */
/* for(int i = 0; i < M; ++i) { */
/* adj[x[i]].emplace_back(y[i], c[i]); */
/* adj[y[i]].emplace_back(x[i], c[i]); */
/* } */
/* double dist[N]; */
/* for(int i = 0; i < N; ++i) dist[i] = -1; */
/* priority_queue<pair<double, int>> pq; */
/* for(int i = 1; i < N; ++i) { */
/* if(arr[i] == 0 || i == 0) { */
/* dist[i] = 0; */
/* pq.emplace(-dist[i], i); */
/* } */
/* } */
/* while(!pq.empty()) { */
/* int a = pq.top().second; */
/* double d = -pq.top().first; */
/* pq.pop(); */
/* if(dist[a] < d || a == H) { */
/* continue; */
/* } */
/* for(auto [b, w] : adj[a]) { */
/* if(dist[b] == -1 || d + w < dist[b]) { */
/* dist[b] = d + w; */
/* pq.emplace(-dist[b], b); */
/* } */
/* } */
/* } */
/* return dist[H]; */
}
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