Aita

#include <iostream>
#include <cmath>
#include <set>
#include <algorithm>
#include <vector>
#include <ctime>        // std::time
#include <cstdlib>      // std::rand, std::srand

#define ll long long
#define ull unsigned long long

#define pii pair<int, int>
#define pll pair<long long, long long>

#define defmod 1000000007
using namespace std;

int myrandom (int i) { return std::rand()%i;}

int main(){
	cin.sync_with_stdio(0);
	cin.tie(0);
	
	ll n, k; cin >> n >> k;
	int r[101010] = {0};
	int a = 1;
	int b = n/2+1;
	for(int i = 0; i < n; i++){
		if(i&1){
			r[i] = a;
			a++;
		}
		else{
			r[i] = b;
			b++;
		}
	}
	for(int i = 1; i < n; i++){
		if(abs(r[i]-r[i-1]) < k){
			cout << "QAQ" << endl;
			return 0;
		}
	}

	for(int i = 0; i < n; i++)
		cout << r[i] << " ";
	cout << endl;
	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