Submission #50692

#	Time	Username	Problem	Language	Result	Execution time	Memory
50692		faishol27	Unscrambling a Messy Bug (IOI16_messy)	C++14	38 / 100	3 ms	432 KiB

messy

////////////////////////////////////////////////
//                                            //
//  Author: Muhammad Faishol Amirul Mukminin  //
//                                            //
////////////////////////////////////////////////
#include "messy.h"

#include <bits/stdc++.h>
using namespace std;

vector<int>ans;

string solve(int cnt, string s){
    string ret = s;
    int len = s.length(),
        terkiri;
    
    for(int i=len-1;i>=0;i--)
        if(ret[i] == '0'){
            terkiri = i;
            break;
        }

    for(int i=0;i<terkiri;i++){
        if(ret[i]=='1') continue;

        ret[i] = '1';
        if(check_element(ret)){
            ans[i] = cnt-1;
            return ret;
        }else{
            ret[i] = '0';
        }

    }

    ans[terkiri] = cnt-1;
    ret[terkiri] = '1';
    return ret;
}

std::vector<int> restore_permutation(int N, int W, int R) {
    ans.resize(N, -1);
    string  B = "",
            tmp = "";

    for(int i=0;i<N;i++){
        B += "0";
        tmp += "0";
    }

    for(int i=0;i<N-1;i++){
        B[i] = '1';
        add_element(B);
    }
    
    compile_set();
    
    for(int i=1;i<N;i++){
        tmp = solve(i, tmp);
    }

    for(int i=0;i<N;i++) if(ans[i]==-1) ans[i] = N-1;

    return std::vector<int>(ans);
}

Compilation message (stderr)

messy.cpp: In function 'std::__cxx11::string solve(int, std::__cxx11::string)':
messy.cpp:16:9: warning: 'terkiri' may be used uninitialized in this function [-Wmaybe-uninitialized]
         terkiri;
         ^~~~~~~

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