#include <stdio.h>
int main()
{
    int num = 40;
    for ( int i=1;i<= num;i++)
    {
        int tmp = 1;
        for (int j=1; j<=i;j++)
        {
            tmp*=j;
        }
        printf("%d 的阶乘是：%d\n",i,tmp);
    }
}