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acIn Reply To:救命啊！我的程序怎么会超时？？？ Posted by:xingning001 at 2005-08-31 16:01:52 > #include<stdio.h>
> main()
> {
> _int64 s;
> long a[1000],top,n,m,i;
> while(1)
> {
> scanf("%ld%ld",&n,&m);
> if(n==0&&m==0) break;
> s=1;top=0;
> for(i=n+m;i>n;i--)
> {
> s*=i;
> if(s%(i-n))
> a[top++]=(i-n);
> else s/=(i-n);
> }
> for(i=0;i<top;i++)
> s/=a[i];
> printf("%I64d\n",s);
> }
> }
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