#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define pb push_back
#define nd second
#define st first
#define sz size
#define forr(i, n) for(int i=1;i<=n;i++)
const ll infl=1e18+90;
const int inf=1e9+90;
const int roz=1e6;
int pre[roz+69];
vector<int> wek;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
cin>>n;
for(int i=1;i<=roz;i++)
{
pre[i]=pre[i-1]+__builtin_popcount(i);
}
for(int i=roz;i>=1;i--)
{
if(pre[i-1]<n)
{
wek.pb(i);
n-=(pre[i]-pre[i-1]);
}
}
cout<<wek.size()<<"\n";
for(auto it:wek) cout<<it<<" ";
}
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 | #include <bits/stdc++.h> using namespace std; #define int long long #define ll long long #define pb push_back #define nd second #define st first #define sz size #define forr(i, n) for(int i=1;i<=n;i++) const ll infl=1e18+90; const int inf=1e9+90; const int roz=1e6; int pre[roz+69]; vector<int> wek; signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin>>n; for(int i=1;i<=roz;i++) { pre[i]=pre[i-1]+__builtin_popcount(i); } for(int i=roz;i>=1;i--) { if(pre[i-1]<n) { wek.pb(i); n-=(pre[i]-pre[i-1]); } } cout<<wek.size()<<"\n"; for(auto it:wek) cout<<it<<" "; } |
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