用c语言 编程求N!(n值从键盘输入) 菜鸟求助大侠，在此先谢过。。答案要准确哟

Answer 1

#include <stdio.h>
void main()
{
int n,totol=1,i;
scanf("%d",&n);
for (i=1;i<=n;i++)
totol*=i;
printf("%d\n",totol);
}

Answer 2

#include<stdio.h>
void main()
{
int n,nj=1;;
printf("输入n：");
scanf("%d",&n);
while(n)
nj*=n--;
printf("n!=%d\n",nj);
}来自：求助得到的回答

Answer 3

#include<stdio.h>
main()
{
int n,i,s=1;
scanf("%d",&n);
for(i=1;i<=n;i++)
s*=i;
printf("n=%d,s=%d\n",n,s);
}

Answer 4

#include <stdio.h>
int main(int argc, char *argv[])
{
int i,n,p=1;
printf("请输入n:");
scanf("%d",&n);
for (i=1;i<=n;i++)
p*=i;
printf("%d!=%d\n",n,p);
return 0;
}

Answer 5

int fun(int n)
{
int i;
int s = 1;

for(i=2; i<=n; i++)

{
s *= i;

}

return s;

}