Submission #1173723

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173723	2025-03-25 19:33:04	mareksb	Commuter Pass (JOI18_commuter_pass)	C++20	100 / 100	204 ms	21080 KiB

commuter_pass

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3,unroll-loops")
#pragma GCC target ("avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
const int64_t N=100005;
vector<pair<int64_t,int64_t>> mas[N];
int64_t dS[N];
int64_t dT[N];
int64_t dV[N];
int64_t dU[N];
int64_t n,m;
int64_t s,t;//commuter pass
int64_t u,v;
void dijkstra(int64_t start, int64_t* dist){
    priority_queue<pair<int64_t,int64_t>,vector<pair<int64_t,int64_t>>,greater<pair<int64_t,int64_t>>> pq;
    dist[start]=0;
    pq.push({0,start});
    while(!pq.empty()){
        int64_t x=pq.top().second;
        pq.pop();
        for(auto p:mas[x]){
            if(dist[x]+p.second<dist[p.first]){
                dist[p.first]=dist[x]+p.second;
                pq.push({dist[p.first],p.first});
            }
        }
    }
}
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 45 / 45