ALGO-152_Blue Bridge Cup_Algorithm Training_8-2 Find the Number

 

remember:

master the concept of numbers

 

AC code:

 1 #include <stdio.h>
 2 
 3 int main(void)
 4 {
 5     int i,j,sum;    
 6     for (i = 1 ; i <= 9999 ; i ++) 
 7     {
 8         sum = 0;
 9         for (j = 1 ; j < i ; j ++)
10         {
11             if (i%j == 0)
12             {
13                 sum += j;
14             }
15         }
16         if (sum == i)
17         {
18             printf("%d\n",i);
19         }
20     }
21     return 0;
22 }