Submission #1254372

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254372		denislav	Unscrambling a Messy Bug (IOI16_messy)	C++20	38 / 100	1 ms	328 KiB

messy

# include <iostream>
# include <vector>
# include <algorithm>
# include <random>
using namespace std;
# include "messy.h"
//# include "grader.cpp"

mt19937 rng(1707);
const int MAX=128;

int n;
bool rem[MAX];

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

    compile_set();

    string s(n,'1');
    vector<int> p(n);
    for(int k=n-1;k>=0;k--)
    {
        vector<int> remain;
        for(int i=0;i<n;i++)
        {
            if(!rem[i]) remain.push_back(i);
        }
        shuffle(remain.begin(),remain.end(),rng);

        for(int i: remain)
        {
            if(rem[i]) continue;

            s[i]='0';
            if(check_element(s))
            {
                p[i]=k;
                rem[i]=1;
                break;
            }
            else s[i]='1';
        }
    }

    return p;
}

/*
4 128 128
0 1 2 3
*/


/*
8 128 128
0 1 2 4 3 5 6 7
*/

/*
8 128 128
3 2 1 4 5 7 6 0
*/

Compilation message (stderr)

messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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