#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;
void Joi(int N, int M, int A[], int B[], long long X, int T) {
for (int i=0;i<N;i++) MessageBoard(i,bool(X&(1<<(i%60))));
return;
}
#include "Ioi.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
const int NN=1e4+5;
vector<int> adj[NN];
int n,m;
long long X=0;
bool vis[NN];
void dfs(int node,int p){
vis[node]=true;
for (auto u:adj[node]){
if (vis[u]) continue;
int y=Move(u);
if (y) X|=(1LL<<(u%60));
dfs(u,node);
}
if (p!=-1){
int y=Move(p);
if (y) X|=(1LL<<(u%60));
}
return;
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
n=N,m=M;
for (int i=0;i<m;i++){
adj[A[i]].pb(B[i]);
adj[B[i]].pb(A[i]);
}
if (V) X|=(1LL<<(P%60));
dfs(P,-1);
for (int i=0;i<m;i++) adj[i].clear();
return X;
}
Compilation message
Ioi.cpp: In function 'void dfs(int, int)':
Ioi.cpp:20:26: error: 'u' was not declared in this scope
20 | if (y) X|=(1LL<<(u%60));
| ^
