#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
int main(void) {
	// your code goes here
	int i, idx = 0;
	int arr[45];
 
	srand(time(NULL));
	// init
	for(i=0; i < 45; i++){
		arr[i] = (i + 1);
	}
 
	// shuffle
	for(i=0; i < 10; i++){
		// get rand idx
		int rnd_idx = rand()%(45-i);
		// swap
		int tmp = arr[45-1-i];
		arr[45-1-i] = arr[rnd_idx];
		arr[rnd_idx] = tmp;
	}
 
	// output
	for(i=0; i < 10; i++){
		printf("%02d,",  arr[45-1-i]);
	}
 
	return 0;
}
 

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