# | 제출 시각UTC-0 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1126285 | psm9352 | 사이버랜드 (APIO23_cyberland) | C++20 | 36 ms | 9544 KiB |
#include <vector>
#include <queue>
using namespace std;
double solve(int N, int M, int K, int H, vector<int> x, vector<int>y, vector<int> c, vector<int> arr){
priority_queue<pair<double,int>,vector<pair<double,int>>,greater<pair<double,int>>> pq; // {val,node}
vector<vector<pair<int,double>>> graph(N);
for (int i = 0;i<M;i++){
graph[x[i]].push_back({y[i],c[i]});
graph[y[i]].push_back({x[i],c[i]});
}
pq.push({0.0,H});
vector<double> ans(N,1e18);ans[H]=0;
vector<int> visited(N,0);
while(!pq.empty()){
int node = pq.top().second;
pq.pop();
if (visited[node]){continue;}
visited[node]=1;
for (pair<int,double> next:graph[node]){
if (ans[node]+next.second<ans[next.first]){
ans[next.first]=next.second+ans[node];
pq.push({ans[next.first],next.first});
}
}
}
queue<int> q;
q.push(0);
vector<bool> pos(N,0);
for (int i = 0;i<N;i++){visited[i]=0;}
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