View Code of Problem 93

#include <stdio.h>
#include <string.h>
#include <math.h>
#define N 10000
int sum_yz(int n)
{
	int i,j;
	int sum=0;
	for(i=1;i<n;i++)
		if(n%i==0)
			sum+=i;
	return sum;
}

int main()
{
	int i;
	int m,n;
	int x,y;
	scanf("%d%d",&m,&n);
	for(i=m;i<=n;i++)
	{
		x=sum_yz(i);
		if((sum_yz(x)==i)&&(x!=i)&&(x<=n)&&(i<=x))
			printf("%d %d\n",i,x);
	}	
}