Submission #1243265

#	Time	Username	Problem	Language	Result	Execution time	Memory
1243265		YassirSalama	Unscrambling a Messy Bug (IOI16_messy)	C++20	20 / 100	1 ms	328 KiB

messy

#include <vector>
#include "messy.h"
#include<bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
#define pb push_back

std::vector<int> restore_permutation(int n, int w, int r) {
    auto f = [&](int i){
        string s = string(n,'0');
        for(int j = 0;j<=i;j++) s[j] = '1';
        return s;
    };
    for(int i = 0;i<n;i++){
        add_element(f(i));
        // cout<<i<<" "<<f(i)<<endl;
    }
    compile_set();
    vector<int> p(n);
    for(int i = 0;i<n;i++){
        for(int j = i+1;j<n;j++){
            vector<int> p(n);
            for(int k = 0;k<n;k++){
                p[k] = k;
            }
            swap(p[i],p[j]);
            //we have i<j
            //we need the string to be 111101110
            //take the string with index j-1
            string t = f(j-1);
            swap(t[i],t[j]);
            // cout<<"! "<<i<<" "<<j<<" "<<t<<endl;
            if(check_element(t)){
                return p;
            }
        }
    }
    for(int i = 0;i<n;i++){
        p[i] = i;
    }
    return p;
}

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