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Submission #848801

# Submission time Handle Problem Language Result Execution time Memory
848801 2023-09-13T13:59:46 Z TahirAliyev Password (RMI18_password) C++17
30 / 100
 110 ms 716 KB 
#include <bits/stdc++.h>

using namespace std;

int query(string str);

string a, q;
vector<string> v;

string merge(string& s1, string& s2){
    int p1 = 0, p2 = 0;
    while(p1 <= s1.size() && p2 < s2.size()){
        q = s1;
        q.insert(q.begin() + p1, s2[p2]);
        if(query(q) == q.size()){
            s1 = q;
            p2++;
        }
        else{
            p1++;
        }
    }
    return s1;
}

bool comp(string& a, string& b){
    return a.size() > b.size();
}

string guess(int n, int s){
    for(char c = 'a'; c <= 'a' + s - 1; c++){
        a = "";
        for(int i = 1; i <= n; i++){
            a += c;
        }
        int cnt = query(a);
        a = "";
        for(int i = 1; i <= cnt; i++){
            a += c;
        }
        v.push_back(a);
    }
    sort(v.begin(), v.end(), comp);
    while(v.size() > 1){
        a = merge(v.back(), v[v.size() - 2]);
        v.pop_back();
        v.pop_back();
        v.push_back(a);
        sort(v.begin(), v.end());
    }
    return v[0];
}

Compilation message

password.cpp: In function 'std::string merge(std::string&, std::string&)':
password.cpp:12:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     while(p1 <= s1.size() && p2 < s2.size()){
      |           ~~~^~~~~~~~~~~~
password.cpp:12:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     while(p1 <= s1.size() && p2 < s2.size()){
      |                              ~~~^~~~~~~~~~~
password.cpp:15:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         if(query(q) == q.size()){
      |            ~~~~~~~~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Guessed the password with 87 queries.
2 Correct 1 ms 600 KB Guessed the password with 155 queries.

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Guessed the password with 73 queries.
2 Runtime error 1 ms 436 KB Execution killed with signal 13
3 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 696 KB Guessed the password with 7203 queries.
2 Correct 54 ms 716 KB Guessed the password with 10317 queries.
3 Correct 69 ms 696 KB Guessed the password with 14101 queries.
4 Correct 110 ms 708 KB Guessed the password with 20875 queries.

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Guessed the password with 87 queries.
2 Correct 1 ms 600 KB Guessed the password with 155 queries.
3 Correct 1 ms 344 KB Guessed the password with 73 queries.
4 Runtime error 1 ms 436 KB Execution killed with signal 13
5 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Guessed the password with 87 queries.
2 Correct 1 ms 600 KB Guessed the password with 155 queries.
3 Correct 1 ms 344 KB Guessed the password with 73 queries.
4 Runtime error 1 ms 436 KB Execution killed with signal 13
5 Halted 0 ms 0 KB -