Submission #911332

#	Time	Username	Problem	Language	Result	Execution time	Memory
911332		four_specks	Permutation (APIO22_perm)	C++17	0 / 100	0 ms	348 KiB

perm

#include "perm.h"

#include <bits/stdc++.h>

using namespace std;

std::vector<int> construct_permutation(long long k) {
  vector<int> ans;
  int h = __lg(k);
  for (int i = 0, j = 0; i < h; i++) {
    while (j < h && k >> j & 1) {
      j++;
    }
    ans.push_back(j++);
  }
  for (int i = h - 1; i >= 0; i--) {
    if (k >> i & 1) {
      ans.push_back(i);
    }
  }
  return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 90