Submission #738997

#	Time	Username	Problem	Language	Result	Execution time	Memory
738997		Prieved1	Permutation (APIO22_perm)	C++17	100 / 100	2 ms	340 KiB

perm

#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
std::vector<int> construct_permutation(long long k)
{
  if(k==1)return {};
  if(k==2)return {0};
  int primes[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29};
  vector<int> res;
  for(int i:primes) {
    if(k%i==0 and k>i) {
      vector<int> l=construct_permutation(k/i), r=construct_permutation(i);
      for(int &j:r) {
        j+=l.size();
      }
      for(int j:r)l.push_back(j);
      return l;
    }
  }
  vector<int> c=construct_permutation(k/2);
  c.push_back(c.size());
  c.insert(c.begin(),c.size());
  return c;
}

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