// hola soy Dember :D
// 31/03/2024
#include "closing.h"
#include <bits/stdc++.h>
#define ll long long
#define pll pair<ll,ll>
#define f first
#define s second
#define Z size()
#define pb push_back
#define bp pop_back
#define fo(x,y,z) for(ll x=y; x<=z; x++)
#define of(x,y,z) for(ll x=y; x>=z; x--)
#define all(n) n.begin(), n.end()
#define arr(x,y,z) x+y, x+y+z
using namespace std;
ll n, x, y, k;
int ans;
void q1(){
queue<int> q;
q.push(x);
while(!q.empty()){
auto u = q.front(); q.pop();
for(auto &e:a[u]){
ll v=e.f, w=e.s;
q.push(v);
}
}
return;
}
int max_score(int N, int X, int Y, ll K, vector<int>U, vector<int>V, vector<int>W) {
return ans;
}
Compilation message
closing.cpp: In function 'void q1()':
closing.cpp:28:21: error: 'a' was not declared in this scope
28 | for(auto &e:a[u]){
| ^
