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Submission #493890

# Submission time Handle Problem Language Result Execution time Memory
493890 2021-12-13T09:56:08 Z dekanycsaba Password (RMI18_password) C++14
80 / 100
 195 ms 884 KB 
#include <iostream>
#include <bits/stdc++.h>
#include<string>
#include<set>
#include<iterator>

using namespace std;

int s1, s2;
string p1, p2;
string megold="a";
int db=0;
int query(string str);

struct szov
{
    string ir;
    int hosz=0;

};

struct rendez{

bool operator()(szov const& a, szov const& b)
{
    return a.hosz<b.hosz;
}

};

multiset<szov,rendez> ms1;
multiset<szov,rendez>::iterator itr;

szov proba;

string merging(string f1, string f2)
{
    string a3;
    string e1,e2;
    string ossz;
   while(f1.size()!=0 || f2.size()!=0)
    {
        if(f1.size()==0)
        {
            a3=a3+f2;
            f2.clear();
        }
        else if(f2.size()==0)
        {
            a3=a3+f1;
            f1.clear();
        }
        else{
            e1=f1[0];
            e2=f2[0];
            ossz=a3+e1+f2;
            s2=query(ossz);
            db++;
            if(s2==ossz.size())
            {
                a3=a3+e1;
                f1.erase(f1.begin());
            }
            else{
                a3=a3+e2;
                f2.erase(f2.begin());
            }
        }
    }

    return a3;
}

string guess(int N, int S)
{
    string help="aabcdefghijklmnopqrstuvwxyz";
    string T[27]={};
    for(int j=1;j<N+1;j++)
    {
        for(int i=1;i<S+1;i++)
    {
        T[i]=T[i]+help[i];
    }
    }
    for(int i=1;i<S+1;i++)
    {
        s1=query(T[i]);
        if(s1>0)
        {
            proba.hosz=s1;
            proba.ir.clear();
            for(int j=1;j<s1+1;j++)
            {
                proba.ir=proba.ir+help[i];
            }
            ms1.insert(proba);
        }
    }
    while(ms1.size()>1 && db<15000)
    {
        itr=ms1.begin();
        p1=(*itr).ir;
        ms1.erase(itr);
        itr=ms1.begin();
        p2=(*itr).ir;
        ms1.erase(itr);
        proba.hosz=p1.size()+p2.size();
        proba.ir=merging(p1,p2);
        ms1.insert(proba);
    }
    if(ms1.size()==1)
    {
         itr=ms1.begin();
         megold=(*itr).ir;
    }

return megold;
}

Compilation message

password.cpp: In function 'std::string merging(std::string, std::string)':
password.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |             if(s2==ossz.size())
      |                ~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 58 queries.
2 Correct 1 ms 200 KB Guessed the password with 103 queries.

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 49 queries.
2 Correct 1 ms 200 KB Guessed the password with 90 queries.
3 Correct 1 ms 200 KB Guessed the password with 92 queries.
4 Correct 3 ms 200 KB Guessed the password with 178 queries.

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 564 KB Guessed the password with 2750 queries.
2 Correct 66 ms 584 KB Guessed the password with 5070 queries.
3 Correct 45 ms 644 KB Guessed the password with 4588 queries.
4 Correct 76 ms 660 KB Guessed the password with 8085 queries.

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 58 queries.
2 Correct 1 ms 200 KB Guessed the password with 103 queries.
3 Correct 1 ms 200 KB Guessed the password with 49 queries.
4 Correct 1 ms 200 KB Guessed the password with 90 queries.
5 Correct 1 ms 200 KB Guessed the password with 92 queries.
6 Correct 3 ms 200 KB Guessed the password with 178 queries.
7 Correct 29 ms 564 KB Guessed the password with 2750 queries.
8 Correct 66 ms 584 KB Guessed the password with 5070 queries.
9 Correct 45 ms 644 KB Guessed the password with 4588 queries.
10 Correct 76 ms 660 KB Guessed the password with 8085 queries.
11 Correct 76 ms 756 KB Guessed the password with 8156 queries.
12 Correct 102 ms 712 KB Guessed the password with 8162 queries.
13 Correct 140 ms 712 KB Guessed the password with 11502 queries.
14 Correct 119 ms 756 KB Guessed the password with 11602 queries.
15 Correct 134 ms 788 KB Guessed the password with 10880 queries.
16 Correct 118 ms 772 KB Guessed the password with 10861 queries.
17 Correct 114 ms 832 KB Guessed the password with 10212 queries.
18 Correct 114 ms 776 KB Guessed the password with 10245 queries.
19 Correct 110 ms 712 KB Guessed the password with 9686 queries.
20 Correct 121 ms 712 KB Guessed the password with 9775 queries.
21 Correct 151 ms 796 KB Guessed the password with 11644 queries.
22 Correct 132 ms 788 KB Guessed the password with 11712 queries.

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 58 queries.
2 Correct 1 ms 200 KB Guessed the password with 103 queries.
3 Correct 1 ms 200 KB Guessed the password with 49 queries.
4 Correct 1 ms 200 KB Guessed the password with 90 queries.
5 Correct 1 ms 200 KB Guessed the password with 92 queries.
6 Correct 3 ms 200 KB Guessed the password with 178 queries.
7 Correct 29 ms 564 KB Guessed the password with 2750 queries.
8 Correct 66 ms 584 KB Guessed the password with 5070 queries.
9 Correct 45 ms 644 KB Guessed the password with 4588 queries.
10 Correct 76 ms 660 KB Guessed the password with 8085 queries.
11 Correct 76 ms 756 KB Guessed the password with 8156 queries.
12 Correct 102 ms 712 KB Guessed the password with 8162 queries.
13 Correct 140 ms 712 KB Guessed the password with 11502 queries.
14 Correct 119 ms 756 KB Guessed the password with 11602 queries.
15 Correct 134 ms 788 KB Guessed the password with 10880 queries.
16 Correct 118 ms 772 KB Guessed the password with 10861 queries.
17 Correct 114 ms 832 KB Guessed the password with 10212 queries.
18 Correct 114 ms 776 KB Guessed the password with 10245 queries.
19 Correct 110 ms 712 KB Guessed the password with 9686 queries.
20 Correct 121 ms 712 KB Guessed the password with 9775 queries.
21 Correct 151 ms 796 KB Guessed the password with 11644 queries.
22 Correct 132 ms 788 KB Guessed the password with 11712 queries.
23 Incorrect 195 ms 884 KB Returned early from guess() after 15662 queries.
24 Halted 0 ms 0 KB -