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Submission #493876

# Submission time Handle Problem Language Result Execution time Memory
493876 2021-12-13T09:26:13 Z dekanycsaba Password (RMI18_password) C++14
50 / 100
 144 ms 840 KB 
#include <iostream>
#include <bits/stdc++.h>
#include<string>
#include<set>
#include<iterator>

using namespace std;

int s1, s2;
string p1, p2;
string megold;
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);
            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)
    {
        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:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |             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 2 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 27 ms 456 KB Guessed the password with 2750 queries.
2 Correct 50 ms 584 KB Guessed the password with 5070 queries.
3 Correct 41 ms 584 KB Guessed the password with 4588 queries.
4 Correct 68 ms 660 KB Guessed the password with 8085 queries.

Subtask #4
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 2 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 27 ms 456 KB Guessed the password with 2750 queries.
8 Correct 50 ms 584 KB Guessed the password with 5070 queries.
9 Correct 41 ms 584 KB Guessed the password with 4588 queries.
10 Correct 68 ms 660 KB Guessed the password with 8085 queries.
11 Correct 106 ms 752 KB Guessed the password with 8156 queries.
12 Correct 99 ms 752 KB Guessed the password with 8162 queries.
13 Correct 115 ms 712 KB Guessed the password with 11502 queries.
14 Correct 144 ms 712 KB Guessed the password with 11602 queries.
15 Runtime error 143 ms 840 KB Execution killed with signal 13
16 Halted 0 ms 0 KB -

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 2 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 27 ms 456 KB Guessed the password with 2750 queries.
8 Correct 50 ms 584 KB Guessed the password with 5070 queries.
9 Correct 41 ms 584 KB Guessed the password with 4588 queries.
10 Correct 68 ms 660 KB Guessed the password with 8085 queries.
11 Correct 106 ms 752 KB Guessed the password with 8156 queries.
12 Correct 99 ms 752 KB Guessed the password with 8162 queries.
13 Correct 115 ms 712 KB Guessed the password with 11502 queries.
14 Correct 144 ms 712 KB Guessed the password with 11602 queries.
15 Runtime error 143 ms 840 KB Execution killed with signal 13
16 Halted 0 ms 0 KB -