View Code of Problem 93

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