Aita

import java.util.Scanner;


public class Main {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		
		
		int n = input.nextInt(), k = input.nextInt();
		boolean even = n % 2 == 0;
		if(even) n++;
		
		int limit = (int)(n  / 2.0 + 0.5);
		
		int current = limit;
		System.out.print(current + " ");
		for (int i = 1; i < n; i++) {
			current = (current + limit) % n;
			if(current == 0) current = n;
			if(!even || i + 1 < n) System.out.print(current + " ");
		}

		input.close();
	}

}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: WRONG ANSWER