Submission #1020277

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1020277	2024-07-11 19:13:22	TAhmed33	Permutation (APIO22_perm)	C++17	100 / 100	2 ms	644 KiB

perm

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector <int> construct_permutation (ll k) {
    if (k == 1) {
        return {};
    }
    if (k == 2) {
        return {0};
    }
    if (k == 3) {
        return {1, 0};
    }
    auto g = construct_permutation(k / 4);
    if (k % 4 == 0) {
        g.push_back(int(g.size()));
        g.push_back(int(g.size()));
        return g;
    }
    if (k % 4 == 1) {
        g.push_back(int(g.size()));
        g.push_back(int(g.size()));
        g.push_back(-1);
        for (auto &i : g) i++;
        return g;
    }
    if (k % 4 == 2) {
        g.push_back(int(g.size()));
        g.push_back(-1);
        g.push_back(int(g.size()) - 1);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90