#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
typedef pair<int,int> ii;
template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;
const int MOD = 998244353;
ll read(){
ll i;
cin>>i;
return i;
}
vi readvi(int n,int off=0,int shift=0){
vi v(n+shift);
rep(i,shift)v[i]=0;
rep(i,n)v[i+shift]=read()+off;
return v;
}
void YesNo(bool condition, bool do_exit=true) {
if (condition)
cout << "Yes" << endl;
else
cout << "No" << endl;
if (do_exit)
exit(0);
}
int main(void ) {
ios::sync_with_stdio(false);
cin.tie(NULL);
int n;
cin >> n;
vi pref;
pref.push_back(0);
int i = 0;
while (pref.back() < n) {
++i;
pref.push_back(pref.back() + __builtin_popcount(i));
}
vi res;
while (n) {
res.push_back(i);
n -= __builtin_popcount(i);
while (n>0 and pref[i-1] >= n) --i;
}
cout << res.size() << endl;
for (auto a : res)
cout << a << " ";
cout << endl;
return 0;
}
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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #include <bits/stdc++.h> using namespace std; #define ll long long #define rng(i,a,b) for(int i=int(a);i<int(b);i++) #define rep(i,b) rng(i,0,b) typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vvl> vvvl; typedef pair<int,int> ii; template<class t> using vc=vector<t>; template<class t> using vvc=vc<vc<t>>; const int MOD = 998244353; ll read(){ ll i; cin>>i; return i; } vi readvi(int n,int off=0,int shift=0){ vi v(n+shift); rep(i,shift)v[i]=0; rep(i,n)v[i+shift]=read()+off; return v; } void YesNo(bool condition, bool do_exit=true) { if (condition) cout << "Yes" << endl; else cout << "No" << endl; if (do_exit) exit(0); } int main(void ) { ios::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; vi pref; pref.push_back(0); int i = 0; while (pref.back() < n) { ++i; pref.push_back(pref.back() + __builtin_popcount(i)); } vi res; while (n) { res.push_back(i); n -= __builtin_popcount(i); while (n>0 and pref[i-1] >= n) --i; } cout << res.size() << endl; for (auto a : res) cout << a << " "; cout << endl; return 0; } |
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