程序：计算1!+2!+....+n!

#include <stdio.h> 
int main() 
{   int i = 1; 
 int n = 0; 
 scanf("%d", &n); 
 int r = 1; 
 int sum = 0; 
 for (i = 1; i <= n; i++) 
 {   r = i * r; 
  sum = r + sum; 
 } 
 printf("%d\n", r); 
 printf("%d\n", sum); 
 return 0; 
}