View Code of Problem 93

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