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
//dzien2 - C
#include <bits/stdc++.h>
using namespace std;

int tab[1000005];
bool check[1000005];

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	int n;
	cin>>n;
	
	int cnt = 0;
	int result = 0;
	int i = 0;
	
	while(cnt < n)
	{
		i++;
		cnt += __builtin_popcount(i);
		tab[i] = cnt;
		//cout<<"1";
	}
	
	result = i;
	
	for(int j=i; j>=1; j--)
	{
		int x = __builtin_popcount(j);
		if(cnt - x < n) continue;
		if(cnt - x >= n) {check[j] = true; cnt -= x; result--; continue;}
		if(cnt == n) break;
		//cout<<"2";
	}

	cout<<result<<"\n";

	for(int j=i; j>=1; j--)
	{
		//cout<<"check "<<j<<" "<<check[j]<<"\n";
		if(check[j] == 0) cout<<j<<" ";
		//cout<<"3";
	}

	return 0;
}