Aita

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

bool check(const vector<int> &r, int k) {
    int e = -1000000000;
    for (int v : r) {
        if (abs(e - v) < k)
            return false;
        e = v;
    }
    return true;
}

int main() {
    int n, k;
    cin >> n >> k;

    vector<int> res(n);

    int a = 1;
    int b = n/2+1;
    for (int i = 0; i < n; i++) {
        if (i % 2 == 0) {
            res[i] = b++;
        } else {
            res[i] = a++;
        }
    }

    if (check(res, k)) {
        for (int v : res)
            cout << v << " ";
    } else {
        cout << "QAQ";
    }
}

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