Submission #421007

#	Time	Username	Problem	Language	Result	Execution time	Memory
421007		temurbek_khujaev	Unscrambling a Messy Bug (IOI16_messy)	C++17	38 / 100	2 ms	332 KiB

messy

#include <random>
#include <vector>

#include "messy.h"
#include <bits/stdc++.h>

using namespace std;

string get_string(int n, int ones = 0) {
    return string(ones, '1') + string(n - ones, '0');
}

std::vector<int> restore_permutation(int n, int w, int r) {
    vector<int> p(n, -1);

    for (int i = 0; i < n; i++) {

        add_element(get_string(n, i + 1));
    }
    compile_set();

    vector<int> ord(n);
    for (int i = 0; i < n; i++) ord[i] = i;
    for (int i = 0; i < n; i++) {
        string s = get_string(n, i);
        string t = get_string(n, 0);
        for (int j = 0; j < n; j++) {
            if (p[j] != -1) t[j] = s[p[j]];
        }
        s = t;
//        cerr << s << endl;
        shuffle(ord.begin(), ord.end(), std::mt19937(std::random_device()()));
        for (int j :ord) {
            if (s[j] != '1' && p[j] == -1) {
                s[j] = '1';
//                cerr << "\t" << s << endl;
                if (check_element(s)) {
                    p[j] = i;
//                    cerr << j << endl;
                    break;
                }
                s[j] = '0';
            }
        }

    }
    return p;
}

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30