求n的阶乘，大神们，哪儿错了😣

Question

#include<stdio.h>
void main()
{
int n,b=1;
scanf("%d\n",&n);
while(n>=0)
{
b=b*n;
n--;
}
printf("%d\n",b);
}

Answer 1

把条件n>=0，改成n>0