Aita

#include<bits/stdc++.h>
using namespace std;
const int N = 2e5;
int n, k;

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k;
  if(n % 2 == 0) {
    if(n / 2 + 1 - 1 < k) {
      cout << "QAQ\n";
      return 0;
    }
    for(int i = 0; i < n; ++i) {
      if(i % 2 == 1) {
	cout << (i - 1) / 2 + 1 << " ";
      } else {
	cout << n / 2 + (i / 2 + 1) << " ";
      }
    }
    return 0;
  } else {
    if(1 + (n + 1) / 2 - 2 < k) {
      cout << "QAQ\n";
      return 0;
    }
    for(int i = 0; i < n; ++i) {
      if(i % 2 == 0) {
	cout << (i / 2 + 1) << " ";
      } else {
	cout << (i + 1) / 2 + (n + 1) / 2 << " ";
      }
    }
  }
  cout << "\n";
  return 0;
}

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: 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: ACCEPTED