#include<bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using pi = pair<int, int>; using vpi = vector<pi>; #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define ALL(c) (c).begin(), (c).end() #define ALLD(c) (c).rbegin(), (c).rend() #define SIZE(x) ((int)(x).size()) #define pb push_back #define pp emplace_back #define st first #define nd second #define sq(a) (a)*(a) const int inf = 1000000001; const double eps = 1e-9; bool fleq(double a, double b){ return abs(a - b) < eps; } int n, m; int s[125000]; vector<int>ans; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for(int i = 1; i < 125000; i++){ m += __builtin_popcount(i); s[i] = m; } while(n > 0){ int f = lower_bound(s, s + 124999, n) - s; ans.pb(f); n -= __builtin_popcount(f); } cout << SIZE(ans) << '\n'; for(int i : ans)cout << i << ' '; 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 | #include<bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using pi = pair<int, int>; using vpi = vector<pi>; #define FOR(x, b, e) for(int x = b; x <= (e); ++x) #define FORD(x, b, e) for(int x = b; x >= (e); --x) #define REP(x, n) for(int x = 0; x < (n); ++x) #define ALL(c) (c).begin(), (c).end() #define ALLD(c) (c).rbegin(), (c).rend() #define SIZE(x) ((int)(x).size()) #define pb push_back #define pp emplace_back #define st first #define nd second #define sq(a) (a)*(a) const int inf = 1000000001; const double eps = 1e-9; bool fleq(double a, double b){ return abs(a - b) < eps; } int n, m; int s[125000]; vector<int>ans; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for(int i = 1; i < 125000; i++){ m += __builtin_popcount(i); s[i] = m; } while(n > 0){ int f = lower_bound(s, s + 124999, n) - s; ans.pb(f); n -= __builtin_popcount(f); } cout << SIZE(ans) << '\n'; for(int i : ans)cout << i << ' '; return 0; } |