Submission #486336

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
486336	2021-11-11 10:10:21	Jarif_Rahman	Olympic Bus (JOI20_ho_t4)	C++17	100 / 100	730 ms	6520 KiB

ho_t4

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#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const ll inf = 1e17;
 
vector<ll> dijkstra(vector<vector<array<int, 3>>> v, int source){
    int n = v.size();
 
    vector<ll> dis(n, inf);
    vector<bool> bl(n, 0);
    priority_queue<pair<ll, int>> pq;
 
    dis[source] = 0;
    pq.push({0, source});
 
    while(!pq.empty()){
        int nd = pq.top().sc; pq.pop();
        if(bl[nd]) continue;
        bl[nd] = 1;
        for(auto [w, c, x]: v[nd]) if(dis[nd]+w < dis[x]){
            dis[x] = dis[nd]+w;
            pq.push({-dis[x], x});
        }
    }
 
    return dis;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 11 / 11
• Subtask 3: 21 / 21
• Subtask 4: 63 / 63