Submission #579571

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
579571	2022-06-19 11:41:19	SeDunion	Permutation (APIO22_perm)	C++17	100 / 100	4 ms	372 KiB

perm

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "perm.h"
#include <iostream>
#include <vector>
using namespace std;
using vi = vector<int>;
using ll = long long;
vi solve(ll k) {
  if (k == 1) return {};
  if (k == 2) return {0};
  for (int i : {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31}) {
    if (k % i == 0 && k > i) {
      vi l = solve(i);
      vi r = solve(k/i);
      for (int &o : r) o += l.size();
      l.insert(l.end(), r.begin(), r.end());
      return l;
    }
  }
  vi a = solve(k >> 1ll);
  a.emplace_back(a.size());
  a.insert(a.begin(), a.size());
  return a;
}
vi construct_permutation(ll k) {
  return solve(k);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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