Submission #739431

#	Time	Username	Problem	Language	Result	Execution time	Memory
739431		CyberCraze	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	352 KiB

perm

#include <bits/stdc++.h>
#define ll long long
#define FOR(i,a,b) for(ll i=a;i<b;i++)
using namespace std;

vector<int> construct_permutation(ll k) {
  int lbit = __lg(k);
  vector<int> ans(lbit);
  iota(ans.begin(), ans.end(), 0);
  for (int i = lbit - 1; i >= 0; i--) {
    if ((k >> i) & 1) {
      ans.insert(ans.begin() + i, lbit++);
    }
  }
  return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90