#include <bits/stdc++.h>
#include "Joi.h"
#pragma GCC target("sse,sse2,avx2")
#pragma GCC optimize("unroll-loops,O3")
#define rep(i,l,r) for (int i = l; i < r; i++)
#define repr(i,r,l) for (int i = r; i >= l; i--)
#define X first
#define Y second
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define endl '\n'
#define debug(x) cerr << #x << " : " << x << endl;
using namespace std;
typedef long long ll;
typedef pair<int,int> pll;
constexpr int N = 1e6+10,mod = 1e9+7;
vector<int> adj[N];
int T,tin[N];
bool vis[N];
void dfs(int v,ll x){
if ((x&(1ll << (T%60)))) MessageBoard(v,1);
else MessageBoard(v,0);
tin[v] = T++;
vis[v] = 1;
for (int u : adj[v]) if (!vis[u]) dfs(u,x);
}
void Joi(int n, int m, int A[], int B[], long long x, int tt) {
rep(i,0,m){
adj[A[i]].pb(B[i]);
adj[B[i]].pb(A[i]);
}
rep(i,0,n) sort(all(adj[i]));
dfs(0,x);
return;
}
Compilation message
/usr/bin/ld: /tmp/ccX95aWs.o: in function `main':
grader_ioi.cpp:(.text.startup+0x3f2): undefined reference to `Ioi(int, int, int*, int*, int, int, int)'
collect2: error: ld returned 1 exit status
