oj.uz

Submission #493891

# Submission time Handle Problem Language Result Execution time Memory
493891 2021-12-13T09:57:02 Z dekanycsaba Password (RMI18_password) C++14
100 / 100
 352 ms 1008 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<20000)
    {
        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 2 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 2 ms 200 KB Guessed the password with 92 queries.
4 Correct 2 ms 200 KB Guessed the password with 178 queries.

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 456 KB Guessed the password with 2750 queries.
2 Correct 57 ms 704 KB Guessed the password with 5070 queries.
3 Correct 58 ms 640 KB Guessed the password with 4588 queries.
4 Correct 49 ms 664 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 2 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 2 ms 200 KB Guessed the password with 92 queries.
6 Correct 2 ms 200 KB Guessed the password with 178 queries.
7 Correct 39 ms 456 KB Guessed the password with 2750 queries.
8 Correct 57 ms 704 KB Guessed the password with 5070 queries.
9 Correct 58 ms 640 KB Guessed the password with 4588 queries.
10 Correct 49 ms 664 KB Guessed the password with 8085 queries.
11 Correct 105 ms 756 KB Guessed the password with 8156 queries.
12 Correct 75 ms 752 KB Guessed the password with 8162 queries.
13 Correct 123 ms 712 KB Guessed the password with 11502 queries.
14 Correct 128 ms 712 KB Guessed the password with 11602 queries.
15 Correct 136 ms 772 KB Guessed the password with 10880 queries.
16 Correct 123 ms 776 KB Guessed the password with 10861 queries.
17 Correct 106 ms 784 KB Guessed the password with 10212 queries.
18 Correct 131 ms 784 KB Guessed the password with 10245 queries.
19 Correct 132 ms 720 KB Guessed the password with 9686 queries.
20 Correct 102 ms 840 KB Guessed the password with 9775 queries.
21 Correct 162 ms 792 KB Guessed the password with 11644 queries.
22 Correct 153 ms 788 KB Guessed the password with 11712 queries.

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 58 queries.
2 Correct 2 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 2 ms 200 KB Guessed the password with 92 queries.
6 Correct 2 ms 200 KB Guessed the password with 178 queries.
7 Correct 39 ms 456 KB Guessed the password with 2750 queries.
8 Correct 57 ms 704 KB Guessed the password with 5070 queries.
9 Correct 58 ms 640 KB Guessed the password with 4588 queries.
10 Correct 49 ms 664 KB Guessed the password with 8085 queries.
11 Correct 105 ms 756 KB Guessed the password with 8156 queries.
12 Correct 75 ms 752 KB Guessed the password with 8162 queries.
13 Correct 123 ms 712 KB Guessed the password with 11502 queries.
14 Correct 128 ms 712 KB Guessed the password with 11602 queries.
15 Correct 136 ms 772 KB Guessed the password with 10880 queries.
16 Correct 123 ms 776 KB Guessed the password with 10861 queries.
17 Correct 106 ms 784 KB Guessed the password with 10212 queries.
18 Correct 131 ms 784 KB Guessed the password with 10245 queries.
19 Correct 132 ms 720 KB Guessed the password with 9686 queries.
20 Correct 102 ms 840 KB Guessed the password with 9775 queries.
21 Correct 162 ms 792 KB Guessed the password with 11644 queries.
22 Correct 153 ms 788 KB Guessed the password with 11712 queries.
23 Correct 278 ms 928 KB Guessed the password with 23704 queries.
24 Correct 259 ms 1008 KB Guessed the password with 20965 queries.
25 Correct 305 ms 924 KB Guessed the password with 23669 queries.
26 Correct 252 ms 896 KB Guessed the password with 19099 queries.
27 Correct 352 ms 992 KB Guessed the password with 23703 queries.
28 Correct 252 ms 952 KB Guessed the password with 16823 queries.
29 Correct 253 ms 888 KB Guessed the password with 23707 queries.
30 Correct 157 ms 964 KB Guessed the password with 14390 queries.