Ŀ

գҪıйص䡣
һrepeat (0<repeat<10)repeat㣺
2 m  n(m<=n) n! /(m!* (n-m)!) 
Ҫ岢úfact(n)nĽ׳,  n  int double
˵
룺
2      (repeat=2)
2 7    (m=2, n=7)
5 12   (m=5, n=12)

result = 21
result = 792



#include "stdio.h"
double fact(int n);
int main(void)
{
    int m, n;
    int repeat, ri;
    double s;

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%d%d", &m, &n);
/*---------*/
        printf("result = %.0f\n", s);
    }
}
/*---------*/

