int n;
while(scanf("%d",&n) != EOF)
{
//计算阶乘的和
}
完整代码如下:
#include "stdio.h"
int main()
{
int n,i;
long long s=0,r=1;
while(scanf("%d",&n)!= EOF)
{
s = 0; r = 1;
for(i=1;i<=n;i++)
{
r*=i;
s += r;
}
printf("%lld\n",s);
}
return 0;
}
#include <stdio.h>
int main()
{
int n,i;
long long sum=0,jc=1;
while(scanf("%d",&n)!= EOF)
{
sum = 0;
jc=1;
for(i=1;i<=n;i++)
{
jc*=i;
sum += jc;
}
printf("%lld\n",s);
}
return 0;
}
用循环