oj.uz

Submission #848789

# Submission time Handle Problem Language Result Execution time Memory
848789 2023-09-13T13:48:41 Z TahirAliyev Password (RMI18_password) C++17
0 / 100
 1 ms 440 KB 
#include <bits/stdc++.h>

using namespace std;

int query(string str);

vector<string> v;

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

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++){
        string s = "";
        for(int i = 1; i <= n; i++){
            s += c;
        }
        int cnt = query(s);
        s = "";
        for(int i = 1; i <= cnt; i++){
            s += c;
        }
        v.push_back(s);
    }
    sort(v.begin(), v.end(), comp);
    while(v.size() != 1){
        string s = merge(v[0], v[1]);
        v.erase(v.begin());
        v.erase(v.begin() + 1);
        v.push_back(s);
        sort(v.begin(), v.end());
    }
    return v[0];
}

Compilation message

password.cpp: In function 'std::string merge(std::string, std::string)':
password.cpp:11:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while(p1 <= a.size() && p2 < b.size()){
      |           ~~~^~~~~~~~~~~
password.cpp:11:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while(p1 <= a.size() && p2 < b.size()){
      |                             ~~~^~~~~~~~~~
password.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         if(query(q) == q.size()){
      |            ~~~~~~~~~^~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Returned early from guess() after 57 queries.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Guessed the password with 73 queries.
2 Incorrect 1 ms 384 KB Returned early from guess() after 55 queries.
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 440 KB Returned early from guess() after 45 queries.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Returned early from guess() after 57 queries.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Returned early from guess() after 57 queries.
2 Halted 0 ms 0 KB -