#include <bits/stdc++.h> using namespace std; #define st first #define nd second #define g0 get<0> #define g1 get<1> #define g2 get<2> #define double long double main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin>>n; vector<int> res; int sum=0; int num=1; while(sum<n) { res.push_back(num); sum+=__builtin_popcount(num); num++; } vector<int> vis(res.size()+1, 0); int ile=0; for(int i=res.size()-1; i>=0; i--) { if(sum-__builtin_popcount(res[i])>=n){ vis[i]=1; sum-=__builtin_popcount(res[i]); ile++; } } cout<<res.size()-ile<<'\n'; for(int i=res.size()-1; i>=0; i--) { if(!vis[i]) cout<<res[i]<<" "; } }
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 | #include <bits/stdc++.h> using namespace std; #define st first #define nd second #define g0 get<0> #define g1 get<1> #define g2 get<2> #define double long double main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin>>n; vector<int> res; int sum=0; int num=1; while(sum<n) { res.push_back(num); sum+=__builtin_popcount(num); num++; } vector<int> vis(res.size()+1, 0); int ile=0; for(int i=res.size()-1; i>=0; i--) { if(sum-__builtin_popcount(res[i])>=n){ vis[i]=1; sum-=__builtin_popcount(res[i]); ile++; } } cout<<res.size()-ile<<'\n'; for(int i=res.size()-1; i>=0; i--) { if(!vis[i]) cout<<res[i]<<" "; } } |