Submission #767172

#	Time	Username	Problem	Language	Result	Execution time	Memory
767172		Ahmed57	Permutation (APIO22_perm)	C++17	76.89 / 100	27 ms	1052 KiB

perm

#include <bits/stdc++.h>

using namespace std;
vector<int> construct_permutation(long long k){
    //0 1 2 3 4 5 6 7 8
    k--;
    vector<int> v;
    for(long long i = 0;i<50;i++){
        if((1LL<<i)<=k){
            k-=(1LL<<i);
            v.push_back(i);
        }
    }
    for(long long i = 50;i>=0;i--){
        while((1LL<<i)<=k){
            long long xd = i;
            for(int j = v.size()-1;j>=xd;j--){
                v[j]++;
            }
            v.push_back(i);
            k-=(1LL<<i);
        }
    }
    return v;
}

• Subtask 1: 10 / 10
• Subtask 2: 66.892307688 / 90