阶乘递归新感悟

#include<stdio.h>

long jie(int n)
{
	long result;
	if(n)
	{
		result = n * jie(n-1);
	}
	else
	{
		result = 1;//相当于jie(0)=1;
	}
	return result;
}

int main()
{
	int num;
	scanf("%d",&num);
	printf("%d",jie(num));
}