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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:00448067 at 2005-04-25 20:58:02 我也老是WA
#include <iostream.h>
double cc(double m,double n)
{ if(m<0 || n<0 || m<n) return 0;
if(m==n) return 1;
if(n==1) return m;
else return ( cc(m-1,n)+cc(m-1,n-1) );
}
void main()
{
double m,n;
cin >> m >> n;
while(m!=0 && n!=0)
{
cout << (unsigned long)cc(m,n) << endl;
cin >> m >> n;
}
}
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