#include <stdio.h>

double result(double Row, double Column)
{
	if(Row > Column)
	{
		double tmp = Row;
		Row = Column;
		Column = tmp;
	}

	double sum = Row + Column;

	double Res = (double)1.0;

	double i;
	for(i = sum; i >= Column + 1; i --)
	{
		Res *= (double)i / (double)Row;
		Row --;
	}
	return Res;
}

int main()
{
	double x, y;
	double Ans = 0;

	while(1)
	{
		scanf("%lf %lf", &x, &y);

		if(x == 0 && y == 0)
			break;

		Ans = result(x, y);

		printf("%.0lf\n", Ans);
	}
	return 0;
}

• Re:求助：一段程序，Language选择G++总是WA，选C++就AC了，为啥？! (14) robinho04 2013-05-06 16:53:51
  • Re:求助：一段程序，Language选择G++总是WA，选C++就AC了，为啥？! (35) sdutacmtang 2016-08-13 15:49:34