Submission #463695

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
463695	2021-08-11 13:53:25	_Avocado_	Toll (BOI17_toll)	C++14	18 / 100	3071 ms	8372 KiB

toll

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#include <bits/stdc++.h>
#define int int64_t
using namespace std;
vector<vector<pair<int, int>>>graph;
vector<int>dijkstra(int s, int n){
  priority_queue<pair<int, int>>pq;
  vector<int>dist(n, -1);
  pq.push({0, s});
  
  while(!pq.empty()){
    int d = -pq.top().first;
    int u = pq.top().second;
    pq.pop();
    
    if(dist[u] != -1) continue;
    
    dist[u] = d;
    
    for(auto [v, w]: graph[u]){
      pq.push({-(w+dist[u]), v});
    }
  }
  return dist;
}
signed main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
 
 
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Compilation message (stderr)

toll.cpp: In function 'std::vector<long int> dijkstra(int64_t, int64_t)':
toll.cpp:21:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   21 |   for(auto [v, w]: graph[u]){
      |            ^

• Subtask 1: 0 / 7
• Subtask 2: 10 / 10
• Subtask 3: 8 / 8
• Subtask 4: 0 / 31
• Subtask 5: 0 / 44