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我对您pf得一踏糊涂...In Reply To:这个就对了，其他的一样 Posted by:sunmoonstar_love at 2005-08-04 17:36:30 case都弄错了
>
>
> while(scanf("%d%d",&n,&m) && n+m)
> {
> for(i=0; i<=n; i++)
> uset[i] = i;
> ans = n;
> for(i=0; i<m; i++)
> {
> scanf("%d%d",&a,&b);
> if(Root(a)!=Root(b))
> {
> ans--;
> uset[uset[b]] = uset[a];
> }
> }
> printf("Case %d: %d\n",ncase,ans);
> ncase++;
> }
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