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
35
36
37
38
39
40
41
42
#include<bits/stdc++.h>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);

    int n;
    cin >> n;

    int wyn = 0;
    vector <int> m;
    int i = 1;

    while (wyn < n)
    {
        wyn+=__builtin_popcount (i);
        i++;
    }
    i--;

    for (int j = 0; i > 0; i--)
    {
        if (wyn - n < __builtin_popcount (i))
        {
            m.push_back(i);
        }
        else
        {
            wyn -= __builtin_popcount (i);
        }
    }

    cout << m.size() << endl;

    for (int i = 0; i < m.size(); i++)
    {
        cout << m[i] << " ";
    }
    
}