请问这个代码哪里有问题啊,怎么正常运行上面的函数呢?
#include <stdio.h>
#include <math.h>
int Factorial(int number){
int fac=1;
printf("Please enter an integer:") ;
scanf("%d", &number);
for(int i=1; i<=number; i++)
{
fac = i*fac;
}
printf("The factorial of this integer is:") ;
printf("%d ", fac);
return fac;
}
int main()
{
int a=Factorial(number);
scanf("%d",&a);
printf("Factorial=%d\n",num);
}