#include <bits/stdc++.h> #define fast ios_base::sync_with_stdio(0), cin.tie(0); #define ll long long #define endl '\n'; #define chuj 500000 using namespace std; const int N = 1e6+69, mini = -1e9, maks = 1e9; int tab[N], pref[N]; void solve(){ int n, w, res=0, m; stack<int> s; cin>>n; m = n; w=__builtin_popcount(n); for(int i = 1; i <= chuj; i++){ pref[i] += pref[i-1] + __builtin_popcount(i); } vector<int> v; int k; for(int i = chuj; i > 0; i--){ if(pref[i] < m){ v.push_back(i+1); m-=__builtin_popcount(i+1); } } if(m == 1)v.push_back(1); cout<<v.size()<<endl; for(int i = 0; i < v.size(); i++){ cout<<v[i]<<' '; } } int main() { fast; solve(); 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 | #include <bits/stdc++.h> #define fast ios_base::sync_with_stdio(0), cin.tie(0); #define ll long long #define endl '\n'; #define chuj 500000 using namespace std; const int N = 1e6+69, mini = -1e9, maks = 1e9; int tab[N], pref[N]; void solve(){ int n, w, res=0, m; stack<int> s; cin>>n; m = n; w=__builtin_popcount(n); for(int i = 1; i <= chuj; i++){ pref[i] += pref[i-1] + __builtin_popcount(i); } vector<int> v; int k; for(int i = chuj; i > 0; i--){ if(pref[i] < m){ v.push_back(i+1); m-=__builtin_popcount(i+1); } } if(m == 1)v.push_back(1); cout<<v.size()<<endl; for(int i = 0; i < v.size(); i++){ cout<<v[i]<<' '; } } int main() { fast; solve(); return 0; } |