Submission #1012731

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012731		codefox	Permutation (APIO22_perm)	C++17	91.33 / 100	1 ms	508 KiB

perm

#include<bits/stdc++.h>
#include "perm.h"

using namespace std;

std::vector<int> construct_permutation(long long k)
{
    int l = 0;
    for (int i = 62; i>= 0; i--)
    {
        if (k&(1LL<<i)) l =max(l,i);
    }
    vector<int> sol(l);
    iota(sol.begin(), sol.end(), 0);

    for (int i = l-1; i >= 0; i--)
    {
        if (k&(1LL<<i))
        {
            sol.push_back(0);
            for (int j = sol.size()-1; j >i; j--)
            {
                sol[j] = sol[j-1];
            }
            sol[i] = l++;
        }
    }
    return sol;
}

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