CSES/Intro/1092.cpp at main · Baron105/CSES · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main() {
    int n;
    cin >> n;
    if (n % 4 == 1 || n % 4 == 2) {
        cout << "NO\n";
    } else if (n % 4 == 3) {
        cout << "YES\n";
        cout << n / 2 << "\n";
        for (int i = 2; i <= n / 2; i += 2) {
            cout << i << " " << n - i << " ";
        }
        cout << n << "\n" << n / 2 + 1 << "\n";
        for (int i = 1; i <= n / 2; i += 2) {
            cout << i << " " << n - i << " ";
        }
    } else {
        cout << "YES\n";
        cout << n / 2 << "\n";
        for (int i = 2; i <= n / 2; i += 2) {
            cout << i << " " << n - i + 1 << " ";
        }
        cout << "\n" << n / 2 << "\n";
        for (int i = 1; i <= n / 2; i += 2) {
            cout << i << " " << n - i + 1 << " ";
        }
    }
    return 0;
}