#include <iostream> // std::cout
#include <algorithm> // std::sort
#include <vector> // std::vector
#include <set>
#include <cmath>
#include <bit>
#include <bitset>
#include <cstdint>
#include <string>
#include <map>
#include <cassert>
#include <functional>
#include <tuple>
#include <numeric>
#include <queue>
#include <list>
#include <cassert>
using namespace std;
int n;
vector<int> res, v;
int countBits(int a)
{
int res = 0;
while (a)
{
res += a & 1;
a >>= 1;
}
return res;
}
int main()
{
scanf("%d", &n);
v.push_back(1);
for (int i = 2; v.back() < n; v.push_back(v.back() + countBits(i++)))
;
while (v.size())
{
res.push_back(v.size());
n -= countBits(v.size());
for (; v.size() && v.back() - countBits(v.size()) >= n; v.pop_back())
;
}
printf("%d\n", res.size());
for (auto r : res)
{
printf("%d ", r);
}
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 | #include <iostream> // std::cout #include <algorithm> // std::sort #include <vector> // std::vector #include <set> #include <cmath> #include <bit> #include <bitset> #include <cstdint> #include <string> #include <map> #include <cassert> #include <functional> #include <tuple> #include <numeric> #include <queue> #include <list> #include <cassert> using namespace std; int n; vector<int> res, v; int countBits(int a) { int res = 0; while (a) { res += a & 1; a >>= 1; } return res; } int main() { scanf("%d", &n); v.push_back(1); for (int i = 2; v.back() < n; v.push_back(v.back() + countBits(i++))) ; while (v.size()) { res.push_back(v.size()); n -= countBits(v.size()); for (; v.size() && v.back() - countBits(v.size()) >= n; v.pop_back()) ; } printf("%d\n", res.size()); for (auto r : res) { printf("%d ", r); } return 0; } |
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