1833040_ac_0ms_36k.c

北大大牛代码 1240道题的原代码 超级权威

# include <stdio.h>

void main()
{
  double x, sum, y, i, j, sum1;

  while(1)
  {
   scanf("%lf%lf",&x,&y);
   if(!x&&!y) break;
   sum = sum1 = 1;
   for(i = x + y, j = 1; i >= (x>y?x:y) + 1; i--, j++)
  {sum *= i;sum1 *= j;} 
   printf("%.0lf\n",sum/sum1);
  }
}