简单的。。。一遍。。。

#include
     
      #define N 30000+5int n,m,ans;//n个人，m个团体int father[N];int sum[N];int find_f(int x){	if(father[x]==x)		return x;	else	{		father[x]=find_f(father[x]);	}	return father[x];}void u(int x,int y){	int fx,fy;	fx=find_f(x);	fy=find_f(y);	if(fx==fy)		return ;	if(sum[fx]>=sum[fy]){		father[fy]=fx;		sum[fx]+=sum[fy];	}	else{		father[fx]=fy;		sum[fy]+=sum[fx];	}	return ;}int main(){	int i,j,k,t;	int groupnum,first,next;	while(scanf("%d%d",&n,&m),n+m){		for(i=0;i
     

　　

AC