Submission #162638

#TimeUsernameProblemLanguageResultExecution timeMemory
162638lukameladze게임 (IOI14_game)C++14
0 / 100
2 ms376 KiB
# include <bits/stdc++.h>
using namespace std;
int a,b,d[100005],p[100005],mp[1005][1005],N;
void initialize(int n)
{
	N=n;
	for (int i=0; i<n; i++)
	{
		p[i]=i;
		d[i]=1;
	}
}
int get_col(int a)
{
	if (p[a]==a) return p[a];
   p[a]=get_col(p[a]);
   return p[a];
}
void col(int a, int b)
{
	b=get_col(b);
	a=get_col(a);
	if (a==b) return;
	d[b]+=d[a];
	d[a]=0;
	p[a]=b;
}
int hasEdge(int u, int v)
{
		a=get_col(a);
		b=get_col(b);
		mp[a][b]++;
		mp[b][a]++;
		if (mp[a][b]==d[a]*d[b])
		{
			if (d[a]>=d[b]) swap(a,b);
			col(a,b);
			for (int i=0; i<N; i++)
			{
				mp[a][i]+=mp[b][i];
				mp[i][a]+=mp[i][b];
			}
			return 1;
		}
		else 
		return 0;
}
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