Question

编程计算1!＋2!＋3!＋4!＋5!＋6!＋7!＋8!＋9!＋10!的值并输出

急

Answer 1

#include "stdio.h"
int main()
{
long i,sn=1,sum=0;
for (i=1;i<=10;i++)
{
sn=sn*i;
sum=sum+sn;
}
printf("=%ld",sum);
}

Answer 2

include <stdio.h>
void main(){
int i,t=1,s=0;
for(i = 1; i<=10; i++){
t*=i;
s+=t;
}
printf("%d", s);
}