Submission #684137

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
684137	2023-01-20 14:21:59	irmuun	Permutation (APIO22_perm)	C++17	100 / 100	3 ms	340 KiB

perm

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#include<bits/stdc++.h>
#include "perm.h"
using namespace std;
#define ll long long
#define pb push_back
#define all(s) s.begin(),s.end()
vector<int> go(ll k){
  if(k==1){
    return {};
  }
  if(k==2){
    return {0};
  }
  for(auto i:{2,3,5,7,11,13,17,19,23,29}){
    if(k%i==0&&k>i){
      vector<int>l=go(k/i);
      vector<int>r=go(i);
      for(auto& x:r){
        x+=l.size();
      }
      l.insert(l.end(),all(r));
      return l;
    }
  }
  vector<int>a=go(k/2);
  a.pb(a.size());
  if(k%2==1){
    a.insert(a.begin(),a.size());
  }
  return a;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90