Submission #603060

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
603060	2022-07-23 14:38:50	tutis	Permutation (APIO22_perm)	C++17	100 / 100	3 ms	340 KiB

perm

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#include "perm.h"
using namespace std;
#include <iostream>
#include <random>
#include <functional>
#include <cassert>
#include <map>
using ll = long long;
std::vector<int> construct_permutation(long long k, bool v)
{
  if (k == 1)
    return {};
  if (k == 3)
    return {1, 0};
  if (k == 4)
    return {2, 1, 0};
  if (k % 2 == 0)
  {
    vector<int>a = construct_permutation(k / 2, v);
    a.push_back((int)a.size());
    return a;
  }
  if (k % 4 == 3)
  {
    vector<int>a = construct_permutation(k - 3, true);
    for (int &i : a)
      if (i >= 2)
        i++;
    a.push_back(2);
    return a;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90