阶乘，for循环得题，为什么whlie里面写不等于不对，写小于等于就对了呢😭

Question

#include<stdio.h>
int main(){
int n;
scanf("%d",&n);
int i=1;
int factor=1;
while(i==!n){
factor=factor*i;
i++;
}
printf("%d",factor);
return 0;
}

Answer 1

while(i!=n){