Submission #993598

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
993598	2024-06-06 06:27:53	abczz	Permutation (APIO22_perm)	C++17	100 / 100	25 ms	472 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>
#define ll long long
using namespace std;
vector <int> base2(ll k) {
  vector <int> V;
  ll mxbit = 0, cnt = 0;
  for (int i=59; i>=0; --i) {
    if (k & (1LL<<i)) {
      mxbit = i;
      break;
    }
  }
  for (int j=0; j<mxbit; ++j) {
    if (k & (1LL<<j)) V.push_back(-1);
    V.push_back(++cnt);
  }
  ll x = V.size();
  for (auto &u : V) {
    if (u == -1) u = x--;
    --u;
  }
  return V;
}
vector <int> base3(ll k) {
  vector <int> V, U;
  ll cnt = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> base3(long long int)':
perm.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |  for (int i=0; i+1<U.size(); ++i) {
      |                ~~~^~~~~~~~~

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