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
#include <bits/stdc++.h>


using namespace std;



int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	cin >> n;
	int ile = 0;
	for (int i = 1; i <= n; i++){
		ile += __builtin_popcount(i);
	}
	vector<int> ansy;
	for (int i = n; i >= 1; i--){
		if ((ile - __builtin_popcount(i)) >= n){
			ile -= __builtin_popcount(i);
		}
		else{
			ansy.push_back(i);
		}
	}
	cout << ansy.size() << '\n';
	for (auto u: ansy) cout << u << " ";
	return 0;
}