Submission #1059106

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059106		vjudge1	Cyberland (APIO23_cyberland)	C++17	15 / 100	135 ms	8248 KiB

cyberland

#include <bits/stdc++.h>

using namespace std;

long long dist[100001];

void dijkstra(vector<pair<long long,long long>> adj[],long long i)
{
    priority_queue<pair<long long,long long>> pq;
    pq.push({-0,i});
    dist[i]=0;
    while(pq.size()>0)
    {

        long long a=-pq.top().first,b=pq.top().second;
        pq.pop();
        for(auto it : adj[b])
        {
            if(dist[it.first]==-1 || (dist[it.first]>a+it.second))
            {
                dist[it.first]=dist[b]+it.second;
                pq.push({-dist[it.first],it.first});
            }
        }
    }

}

double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int>
y, std::vector<int> c, std::vector<int> arr)
{
    memset(dist,-1,sizeof(dist));
    vector<pair<long long,long long>> adj[N+1];
    for(long long i=0;i<x.size();i++)
    {
        long long a=x[i],b=y[i],cc=c[i];
        adj[a].push_back({b,cc});
        adj[b].push_back({a,cc});
    }
    dijkstra(adj,0);
    return dist[H];

}

Compilation message (stderr)

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:34:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(long long i=0;i<x.size();i++)
      |                       ~^~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 7 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3