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Re:为什么这样还不过?In Reply To:Re:为什么这样还不过? Posted by:cpp050800448144 at 2005-04-25 21:28:03 #include<iostream.h>
double jiechen(int n,int k)
{
if(k==1)
return (n);
return jiechen(n-1,k-1)*n;
}
void main()
{
int n,k;
while(1)
{
if(n==0&&k==0)
return;
cin>>n>>k;
if((n!=0)&&(k==0))
cout<<"1"<<endl;
else
cout<<long(jiechen(n,k)/jiechen(k,k))<<endl;
}
}
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