oj.uz

Submission #848818

# Submission time Handle Problem Language Result Execution time Memory
848818 2023-09-13T14:22:08 Z TahirAliyev Password (RMI18_password) C++17
0 / 100
 29 ms 952 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++;
        }
        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);
        if(cnt == 0) continue;
        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[v.size() - 1], 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:12:32: 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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Returned early from guess() after 87 queries.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Guessed the password with 48 queries.
2 Incorrect 1 ms 344 KB Returned early from guess() after 91 queries.
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 952 KB Returned early from guess() after 6373 queries.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Returned early from guess() after 87 queries.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Returned early from guess() after 87 queries.
2 Halted 0 ms 0 KB -