제출 #714775

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
714775	2023-03-25 09:11:54	ajab_01	Toll (BOI17_toll)	C++17	17 / 100	214 ms	524288 KiB

toll

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#include<bits/stdc++.h>
using namespace std;
const int INF = 1e9;
const int N = 5e4 + 1;
const int O = 3e3 + 1;
vector<pair<int , int> > g[N] , query;
priority_queue<pair<int , int> > pq;
vector<int> vec;
int dp[N][O] , ind[N] , val[N] , pre[N] , pr[N] , k , n , m , o;
bool mark[N] , vis[N] , ch = 1;
void dijkstra(){
  val[0] = 0;
  pq.push({0 , 0});
  while(!pq.empty()){
    int v = pq.top().second;
    pq.pop();
    if(vis[v]) continue;
    vis[v] = 1;
    for(auto i : g[v]){
      int u = i.first , w = i.second;
      if(val[u] > val[v] + w){
        val[u] = val[v] + w;
        pq.push({-val[u] , u});
      }
    }
  }
}
 
 
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