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
43
44
45
46
47
48
49
50
/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <bits/stdc++.h>

using namespace std;

long long int tab[130000], sumyPrefiksowe[130000];
long long int mocBitowa, j;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    for(int i = 1; i < 130000; i++){
        tab[i] = __builtin_popcount(i);
    }
    for(int i = 1; i < 130000; i++){
        sumyPrefiksowe[i] = tab[i] + sumyPrefiksowe[i - 1];
    }
    cin >> mocBitowa;
        while(mocBitowa > sumyPrefiksowe[j]){
            j++;
        }
        long long int iloscNut = j;
        long long int liczbaSzukana = sumyPrefiksowe[j] - mocBitowa;
        for(int i = j; i > 0; i--){
            if(tab[i]<= liczbaSzukana){
                liczbaSzukana-= tab[i];
                tab[i] = -1;
                iloscNut--;
            }
            if (liczbaSzukana == 0){
                break;
            }
        }
        cout << iloscNut << '\n';
        for(int i = j; i > 0; i--){
            if(tab[i] != -1){
                cout << i << ' ';
            }
        }
    return 0;
}