Submission #584182

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
584182	2022-06-27 01:42:51	jairRS	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	340 KiB

perm

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#include "perm.h"
using namespace std;
std::vector<int> construct_permutation(long long k)
{
  long long cur = 1;
  vector<int> res;
  for (int i = 0;; i++)
  {
    int exp = 0;
    long long power2 = 1;
    while (cur + power2 * 2LL <= k && (exp + 1) <= i)
    {
      power2 *= 2;
      exp++;
    }
    cur += power2;
    res.insert(res.begin() + exp, i);
    if (cur == k)
      break;
  }
  return res;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90