#include <stdio.h>
#include <stdlib.h>

int main()
{
    int m,n;
    double x;
    scanf("%d %d",&n,&m);
    while(n!=0){
        x = 1;
        for(int i=m+1;i<=n;i++){
            x *= (double)i;
            x /= (double)(i-m);
        }
        printf("%.0f\n",x);
        scanf("%d %d",&n,&m);
    }
    return 0;
}

為什麼會TLE啊QQ

語法要讀熟喔 .

你的程式只讀一筆輸入資料而已