#include <stdlib.h>
#include <time.h>

static int sort_rand_initialized = 0;

int gen_rand(int min, int max) {
	if (sort_rand_initialized == 0) {
		srand((unsigned int) time(NULL));
		sort_rand_initialized = 1;
	}
	return rand() % (max + 1 - min) + min;
}