Submission #849092

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
849092	2023-09-14T05:17:59 Z	adhityamv	Cyberland (APIO23_cyberland)	C++17	Compilation error	0 ms	0 KB

cyberland

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=100000;
vector<pair<int,ll>> edges[N];
bool visited[N]={};
double ans=0;
void dfs(int u,int h){
    if(u==h) return;
    for(auto v:edges[u]){
        if(!visited[v.first]){
            visited[v.first]=true;
            ans+=v.second;
            dfs(v,h);
            ans-=v.second;
        }
    }
}
double solve(int n,int m,int k,int h,vector<int> x,vector<int> y,vector<int> c,vector<int> a){
    for(int i=0;i<m;i++){
        edges[x[i]].push_back(make_pair(y[i],(ll) c[i]));
        edges[y[i]].push_back(make_pair(x[i],(ll) c[i]));
    }
    visited[0]=true;
    dfs(0,h);
    for(int i=0;i<n;i++){
        edges[i].clear();
    }
    return ans;
}

Compilation message

cyberland.cpp: In function 'void dfs(int, int)':
cyberland.cpp:14:17: error: cannot convert 'std::pair<int, long long int>' to 'int'
   14 |             dfs(v,h);
      |                 ^
      |                 |
      |                 std::pair<int, long long int>
cyberland.cpp:8:14: note:   initializing argument 1 of 'void dfs(int, int)'
    8 | void dfs(int u,int h){
      |          ~~~~^