Submission #880274

#	Time	Username	Problem	Language	Result	Execution time	Memory
880274		Mardonbekhazratov	Cyberland (APIO23_cyberland)	C++17	0 / 100	21 ms	6844 KiB

cyberland

#include "cyberland.h"
#include<bits/stdc++.h>
#include <vector>
using namespace std;

double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
    vector<vector<pair<int,int>>>v(N);
    for(int i=0;i<N;i++){
        v[x[i]].push_back({y[i],c[i]});
        v[y[i]].push_back({x[i],c[i]});
    }
    vector<bool>vis(N,0);
    queue<pair<int,double>>q;
    q.push({0,0.0});
    while(!q.empty()){
        pair<int,double>p=q.front();
        q.pop();
        if(vis[p.first]) continue;
        vis[p.first]=true;
        if(p.first==H){
            return p.second;
        }
        for(auto [z,y]:v[p.first]){
            q.push({z,p.second+y});
        }
    }
}

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:7:37: warning: control reaches end of non-void function [-Wreturn-type]
    7 |     vector<vector<pair<int,int>>>v(N);
      |                                     ^

• 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