Submission #739622

#	Time	Username	Problem	Language	Result	Execution time	Memory
739622		Abrar_Al_Samit	Unscrambling a Messy Bug (IOI16_messy)	C++17	18 / 100	1 ms	212 KiB

messy

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

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

const int nax = 32;
vector<int> restore_permutation(int n, int w, int r) {
    string mask = string(nax, '0');
    for(int i=0; i<nax; ++i) {
        mask[i] = '1';
        add_element(mask);
    }

    compile_set();

    vector<int>p(n);
    set<int>already;
    for(int i=0; i<nax; ++i) {
        mask = string(nax, '0');
        for(int x : already) {
            mask[x] = '1';
        }

        int new_pos = -1;

        vector<int>off;
        for(int j=0; j<nax; ++j) if(mask[j]=='0') {
            off.push_back(j);
        }
        random_shuffle(off.begin(), off.end());
        for(int j : off) {
            mask[j] = '1';
            if(check_element(mask)) {
                new_pos = j;
                break;
            }
            mask[j] = '0';
        }

        p[new_pos] = i;
        already.insert(new_pos);
    }
    return p;
}

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