Submission #976009

#	Time	Username	Problem	Language	Result	Execution time	Memory
976009		Orifkhon	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	348 KiB

perm

#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 = 63 - __builtin_clzll(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 =  63 - __builtin_clzll(k);
        k-=(1ll << ind);
        perm.insert(perm.begin() + ind, insert);
        insert++;
    }
    debug(perm);
    return perm;
}

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