Submission #1004956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004956		Mr_Husanboy	Unscrambling a Messy Bug (IOI16_messy)	C++17	38 / 100	1 ms	440 KiB

messy

#include <vector>
#include<bits/stdc++.h>

using namespace std;

#include "messy.h"
#define all(a) (a).begin(), (a).end()

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


auto shuffle(vector<int>&a){
    int n = a.size();
    random_shuffle(all(a));
    for(int i = 0; i < n; i ++){
        int ii = rng() % n, jj = rng() % n;
        while(ii == jj) jj = rng() % n;
        swap(a[ii], a[jj]);
    }   

}

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

    compile_set();

    vector<int> p(n, -1);

    for(int j = 0; j < n; j ++){
        string s(n, '1');
        vector<int> done(n);
        for(int i = 0; i < n; i ++){
            if(~p[i]) s[i] = '0', done[i] = 1;
        }
        vector<int> perm(n);
        iota(all(perm), 0);
        shuffle(perm);
        for(int i : perm){

            if(done[i]) continue;
            s[i] = '0';
            if(check_element(s)){
                //cout << i << ' ' << j << endl;
                p[i] = j;
                break;
            }
            s[i] = '1';
        }
    }
    return p;
};

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