#include "stdio.h"

int main(int argc, char const *argv[])
{
	
	int length=10;

	int j;
	for (int i = 0; i < length; ++i)
	{
		for (j = i+1 ; j < length; ++j)
		{
			printf("i=%d,j=%d\n",i,j );
		}
	}


	for (int i = 0; i < length; ++i)
	{
		for (int k = i+1 ; k < length; ++k)
		{
			printf("i=%d,k=%d\n",i,k );
		}
	}


	return 0;
}