Submission #975989

#	Time	Username	Problem	Language	Result	Execution time	Memory
975989		Orifkhon	Permutation (APIO22_perm)	C++17	0 / 100	1 ms	348 KiB

perm

#include <bits/stdc++.h>
#include <perm.h>
using namespace std;

vector<int> construct_permutation(long long k) {
    long long size = log2(k);

    vector<int> perm(size);
    for(int i = 0; i < size; i++){
        perm[i] = i;
    }
    k-=(1 << size);
    long long insert = size;
    while(true){
        if(k == 0){
            break;
        }
        long long ind = log2(k);
        k-=(1 << ind);
        if(ind == 0){
            perm.insert(perm.begin(), insert);
            insert++;
            continue;
        }
        perm.insert(perm.begin() + ind - 1, insert);
        insert++;
    }
    return perm;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 90