#include<stdio.h>
double fact(
int n);
int main(
void)
{
int i;
double sum;
sum=
0;
for(i=
1;i<=
100;i++
)
sum=sum+
fact(i);
printf("1!+2!+…+100!=%e\n",sum);
return 0;
}
double fact(
int n)
{
int i;
double result;
result=
1;
for(i=
1;i<=n;i++
)
result=result*
i;
return result;
}
转载于:https://www.cnblogs.com/liruijia199531/p/3357387.html
