#include
int fac(int d)
{
int i,k=1;
if(d>1)
for(i=1;i<=d;i++)
k=k*i;
return k;
}
int c(int n,int m)
{
int data;
data=fac(n)/(fac(m)*fac(n-m));
return data;
}
void main()
{
int m,n;
scanf("%d,%d",&m,&n);
printf("C(%d,%d)=%d",n,m,c(n,m));
}
运行示例:
an eight-flask man.' Tiger's