//计算 一到十 阶乘的和
#include <stdio.h>
void main()
{
int i=1;
int j=1;
int sum=1;
double sum1=0;
while(i<=10)
{
while(j<=i)
{
sum=sum*j;
j++;
}
printf(" %d! is %d\n",i,sum);
sum1+=sum;
i++;
}
printf("the last result is %lf\n",sum1);
}