Submission #1120542

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120542		NotLinux	Unscrambling a Messy Bug (IOI16_messy)	C++17	49 / 100	2 ms	592 KiB

messy

#include "messy.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> restore_permutation(int n, int w, int r) {
    string str;
    for(int i = 0;i<n;i++)str += '0';
    for(int i = 0;i<n;i++){
        str[i] = '1';
        add_element(str);
    }
    for(int i = 0;i<n;i++)str[i] = '0';

    compile_set();

    int perm[n] , vis[n] = {0};
    for(int i = 0;i<n;i++)perm[i] = i;
    shuffle(perm , perm + n , rng);
    vector < int > ans(n);
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++){
            if(vis[perm[j]])continue;
            str[perm[j]] = '1';
            if(check_element(str)){
                ans[perm[j]] = i;
                // cout << "ans : " << perm[j] << " = " << i << endl;
                vis[perm[j]] = 1;
                break;
            }
            else{
                str[perm[j]] = '0';
            }
        }
    }

    return ans;
    // add_element("0");
    // compile_set();
    // check_element("0");
    // return std::vector<int>();
}

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