#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
ll MOD = 998244353;
ll siz[1505] = {0};
ll par[1505];
ll N;
ll find_par(ll x){
if(par[x] == x){
return x;
}
return par[x] = find_par(par[x]);
}
void enose(ll x,ll y){
ll p1 = find_par(x);
ll p2 = find_par(y);
par[p2] = p1;
siz[p1] += siz[p2];
siz[p2] = 0;
}
void initialize(int n){
f(i,0,n+5){
siz[i] = 1;
par[i] = i;
}
N = n;
}
int hasEdge(int u, int v){
if(u > v){
swap(u,v);
}
ll p1 = find_par(u);
ll p2 = find_par(v);
if(p1 == p2){
return 1;
}
if(siz[p1] + siz[p2] <= N/2){
enose(u,v);
return 1;
}
return 0;
}
int main(void){
ios_base::sync_with_stdio(0);
cin.tie(0);
f(i,0,4){
f(j,i+1,4){
hasEdge(i,j);
}
}
}
Compilation message
/tmp/ccTuSGlI.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccXkZzQH.o:game.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
