oj.uz

Submission #773320

# Submission time Handle Problem Language Result Execution time Memory
773320 2023-07-04T21:38:55 Z TheSahib Password (RMI18_password) C++14
30 / 100
 180 ms 344 KB 
#include <bits/stdc++.h>
 
#define ll long long
#define pii pair<int, int>
 
using namespace std;
 
int query(string s);

string merge(string s1, string s2){
    int p = 0;
    string ans = s1;
    for (int i = 0; i <= ans.size() && p < s2.size(); i++)
    {
        string z = ans;
        z.insert(z.begin() + i, s2[p]);
        int b = query(z);
        if(b == z.size()){
            ans = z;
            p++;
            i -= 1;
        }
    }
    return ans;
}
 
string guess(int n, int s){
    vector<string> ss;
    for (int c = 'a'; c < 'a' + s; c++)
    {
        string a;
        for (int i = 0; i < n; i++)
        {
            a += c;
        }
        int b = query(a);
        a.erase(a.begin() + b, a.end());
        if(a.empty()) continue;
        ss.push_back(a);
    }
    while(ss.size() != 1){
        sort(ss.begin(), ss.end());
        string a = merge(ss[ss.size() - 1], ss[ss.size() - 2]);
        ss.pop_back();
        ss.pop_back();
        ss.push_back(a);
    }
    
    return ss[0];
}

Compilation message

password.cpp: In function 'std::string merge(std::string, std::string)':
password.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i = 0; i <= ans.size() && p < s2.size(); i++)
      |                     ~~^~~~~~~~~~~~~
password.cpp:13:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i = 0; i <= ans.size() && p < s2.size(); i++)
      |                                        ~~^~~~~~~~~~~
password.cpp:18:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         if(b == z.size()){
      |            ~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Guessed the password with 87 queries.
2 Correct 2 ms 208 KB Guessed the password with 156 queries.

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 300 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 332 KB Guessed the password with 7694 queries.
2 Correct 101 ms 344 KB Guessed the password with 10769 queries.
3 Correct 55 ms 336 KB Guessed the password with 13893 queries.
4 Correct 180 ms 344 KB Guessed the password with 21660 queries.

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Guessed the password with 87 queries.
2 Correct 2 ms 208 KB Guessed the password with 156 queries.
3 Runtime error 1 ms 300 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Guessed the password with 87 queries.
2 Correct 2 ms 208 KB Guessed the password with 156 queries.
3 Runtime error 1 ms 300 KB Execution killed with signal 13
4 Halted 0 ms 0 KB -