Submission #1167722

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1167722	2025-03-16 12:17:04	Knight	Commuter Pass (JOI18_commuter_pass)	C++20	0 / 100	2095 ms	15284 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;
vector<pair<int, long long>> g[100001];
vector<long long> djk(int x, int n){
    priority_queue<pair<long long, int>> q;
    vector<long long> dis;
    int y;
    long long l;
    for(int i=0;i<=n;i++){
        dis.push_back(LLONG_MAX);
    }
    dis[x] = 0;
    q.push({0, x});
    while(!q.empty()){
        y = q.top().second;
        l = q.top().first;
        q.pop();
        if(l==dis[y]){
            for(pair<int, long long> i : g[y]){
                if(dis[i.first]>(l+i.second)){
                    dis[i.first] = l+i.second;
                    q.push({dis[i.first], i.first});
                }
            }
        }
    }
    return dis;
 
 
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• Subtask 1: 0 / 16
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 45