Submission #984768

#	Time	Username	Problem	Language	Result	Execution time	Memory
984768		Rafiullah	Cyberland (APIO23_cyberland)	C++17	0 / 100	48 ms	12532 KiB

cyberland

#include "cyberland.h"

#include <bits/stdc++.h>
using namespace std;
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) {
    map<int,vector<int>> graph;
    map<pair<int,int>,int> weight;
    for(int i = 0 ;i <x.size() ;i ++){
        int a = x[i];
        int b = y[i];
        int cc = c[i];
        weight[{min(a,b),max(a,b)}] = cc;
        graph[a].push_back(b);
        graph[b].push_back(a);
    }
    int dist[N];
    for(int i = 1 ;i <N ;i ++)dist[i] = 1e9;
    dist[0] = 0;
    priority_queue<pair<int,int>> pq;
    pq.push({0,0});
    while(pq.size()>0){
        int node = pq.top().second;
        pq.pop();
        for(int child:graph[node]){
            int W = dist[node] + weight[{min(child,node),max(child,node)}];
            if(arr[child] == 0){
                W = 0;
            }
            if(W<dist[child]){
                dist[child] = W;
                pq.push({dist[child],child});
            }
        }
    }
    if(dist[H] == 1e9)dist[H] = -1;
    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:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i = 0 ;i <x.size() ;i ++){
      |                    ~~^~~~~~~~~

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