Combination 2

#include <stdio.h>
#define SIZEN 5
int arr[SIZEN] = {1, 2, 3, 4, 5};
int data[SIZEN];
int n = 5;
int r = 3;
void findCombination(int i, int start)
{
	int j;
	if (i == r) {
		for (j = 0; j < r; j++)
			printf("%d ", data[j]);
		printf("\n");
		return;
	}
	for (j = start; j <= n - 1 && n - j >= r - i; j++) {
		data[i] = arr[j];
		findCombination(i + 1, j + 1);
	}
}
int main()
{
	findCombination(0, 0);
	return 0;
}