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

bool isOverlapped(int a[], int targetNum, int length) {

	int t;
	int r;
	for (t = 0; t < length; t++){
		if (a[t] == targetNum)
			return true;
	}
	return false;
}

int random_lotto() {
	srand(time(NULL));
	int r, i;
	int arr[100];
	printf("고객님의 번호는 ");
	for (int j = 0; j < 10; ++j)
	{
		for (i = 0; i < 6;) {
			r = rand() % 45 + 1;
			if (!isOverlapped(arr, r, i))
			{
				arr[i++] = r;
				printf("%d ", r);
			}
			else
				printf("overlapped!(%d) ",r);
		}
		printf("\n");
	}
	return 0;
}

int main()
{
	random_lotto();
	return 0;
}