제출 #976005

#제출 시각아이디문제언어결과실행 시간메모리
976005Orifkhon순열 (APIO22_perm)C++17
10 / 100
2 ms476 KiB
#include<bits/stdc++.h>
#include "perm.h"

using namespace std;
#ifdef LOCAL
#include "debug.cpp"
#else
#define debug(...) 
#endif
#define ll long long


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

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