Submission #239587

#	Time	Username	Problem	Language	Result	Execution time	Memory
239587		nicolaalexandra	Unscrambling a Messy Bug (IOI16_messy)	C++14	49 / 100	6 ms	512 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
#define DIM 300
using namespace std;

string a[DIM];
int k,n,w,r;
int p[DIM],v[DIM];
vector <int> sol;

/*void add_element(string s){
    a[++k] = s;
}

void compile_set(){
    for (int i=1;i<=k;i++){
        string s = "";
        for (int j=0;j<n;j++)
            s += a[i][p[j]];
        a[i] = s;
    }
}

int check_element(string s){
    for (int i=1;i<=k;i++)
        if (a[i] == s)
            return 1;
    return 0;
}*/


vector<int> restore_permutation (int n, int w, int r){
    int i,j;
    string s = "";

    for (i=0;i<n;i++)
        s += "0";

    for (i=0;i<n-1;i++){
        s[i] = '1';
        add_element(s);
    }

    compile_set();

    s = "";
    for (i=0;i<n;i++){
        s += "0";
        sol.push_back(-1);
        v[i] = i;
    }

    random_shuffle (v,v+n);

    for (i=0;i<n;i++){
        for (j=0;j<n;j++){
            int bit = v[j];
            if (s[bit] == '1')
                continue;
            /// incerc sa pun 1 aici
            s[bit] = '1';
            if (j == n-1 || check_element(s)){
                sol[bit] = i;
                break;
            } else s[bit] = '0';
        }
    }

    for (i=0;i<n;i++){
        if (sol[i] == -1){
            sol[i] = n-1;
            break;
        }}

    return sol;
}

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