题解 | #小乐乐计算求和#
小乐乐计算求和
https://www.nowcoder.com/practice/c98aeab2362c459dbc840d4c75f07729
#include <stdio.h>
int main()
{
int a = 0;
scanf("%d",&a);
int b = 0;
for(int i = 1;i<=a;i++)
{
int m = 1;
for(int j = 1;j<=i;j++)
{
m = j*m;
}
b = b+m;
}
printf("%d",b);
return 0;
}