使用递归
include
long int multiplyNumbers(int n);
int main()
{
int n;
printf("输入一个整数: ");
scanf("%d", &n);
printf("%d! = %ld", n, multiplyNumbers(n));
return 0;
}
long int multiplyNumbers(int n)
{
if (n > 1)
return n*multiplyNumbers(n-1);
else
return 1;
}
