View Code of Problem 93

#include <stdio.h>
int sum(int n)
{
	int i;
	int s=0;
	for(i=1;i<n;i++)
	{
		if(n%i==0) s=s+i;
	}
	return(s);
}
int main()
{

	int i,j;
	int m,n;
	scanf("%d%d",&m,&n);
	for(i=m;i<=n;i++)
		{
			if(sum(sum(i))==i&&i<sum(i))
				printf("%d %d\n",i,sum(i));
		}

    return 0;
}