Aita

import java.util.ArrayList;
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);
		
		
		if(k >= limit) System.out.println("QAQ");
		else {
			k = limit - 1;
			
			int[] list = new int[n];
			
			ArrayList<Integer> left = new ArrayList<>();
			for (int i = 0; i < n; i++) left.add(i+1);
			list[0] = limit;
			left.remove(limit-1);
			int prev;
			for(int i = 1; i < n; i++) {
				prev = list[i-1];
				for (int j = 0; j < left.size(); j++) {
					if(Math.abs(prev - left.get(j)) >= k) {
						list[i] = left.get(j);
						left.remove(j);
						break;
					}
				}
				
			}
			if(even) n--;
			for (int i = 0; i < n; i++) {
				System.out.print(list[i] + " ");
			}
		}
 
		input.close();
	}
 
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED