Just do it

// Sort an array. Initialize with low = 0 and high = len(array)
#include <vector>
#include <string>
#include <iostream>
#include <cmath>

using namespace std;


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

    int aux = 1;
    for (int i = 0; i < n/2; ++i)
    {
        cout << aux;
        cout << " ";
        aux +=2;
    }
    if (n%2 == 1)
        cout << aux << " ";
    aux = 2;
    for (int i = 0; i < n/2; ++i)
    {
        cout << aux;
        if (i != n/2 -1)
            cout << " ";
        aux +=2;
    }
    cout << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: WRONG ANSWER

Test 17

Verdict: WRONG ANSWER