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

int main()
{
	int number[100];
	int temp, n, x, y, i;

	do {
		printf("n = ");
		scanf("%d", &n);
	} while ((n < 1) || (n > 100));

	srand(time(NULL));

	for (i=0; i<n; i++)
		number[i] = i;

	for (i=0; i<10*n; i++)
	{
		x = rand() % n;
		do {
			y = rand() % n;
		} while (x == y);

		temp = number[x];
		number[x] = number[y];
		number[y] = temp;
	}

	for (i=0; i<n; i++)
		printf("%d, ", number[i]);
	printf("\n");

	return 0;
}