Submission #601325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
601325	2022-07-21 17:34:48	IvanJ	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	340 KiB

perm

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#include<bits/stdc++.h>
#include "perm.h"
#define pb push_back
#define all(a) (a).begin(), (a).end()
using namespace std;
typedef long long ll;
vector<int> construct_permutation(ll k) {
  deque<int> q;
  vector<int> v;
  for(;k > 1;k >>= 1) {
    if(k & 1) v.pb(0);
    v.pb(1);
  }
  reverse(all(v));
  int num = 0;
  for(int i : v)
    if(i) q.pb(num++);
    else q.push_front(num++);
  vector<int> p;
  while(q.size()) p.pb(q.front()), q.pop_front();
  return p;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90