#include<bits/stdc++.h>
using namespace std;
int n,m,cnt,fa[100015];
int find(int x){
	return x==fa[x]?x:fa[x]=find(fa[x]);
}
int main()
{
	
	freopen("data.in","w",stdout);
	srand(time(0));
	n=rand()%10+1;
	cout<<n<<endl;
	for(int i=1;i<=n;i++)fa[i]=i;
	while(cnt<n-1){
		int x=rand()%n+1,y=rand()%n+1;
		int x1=find(x),y1=find(y);
		if(x1!=y1) fa[x1]=y1,cnt++,cout<<x<<" "<<y<<endl;
	}
	for(int i=1;i<=n;i++){
		int x=rand()%25+1;
		cout<<x<<' ';
	}
	cout<<endl;
	int m=rand()%40+1;
	cout<<m<<endl;
	while(m--){
		int op=rand()%3,x=rand()%n+1,y=rand()%25+1;
		cout<<op<<' '<<x<<' '<<y<<endl;
		if(op==2) n++; 
	}
}

以下代码是我对拍的时候用的，使用的时候去掉在线的亦或即可