Submission #773223

#	Time	Username	Problem	Language	Result	Execution time	Memory
773223		aykhn	Password (RMI18_password)	C++14	50 / 100	267 ms	356 KiB

password

#include <bits/stdc++.h>

// author: aykhn

using namespace std;

typedef long long ll;

int query(string str);

string guess(int n, int s)
{
    string ans = "";
    int prev = 0;

    for (int i = 0; i < s; i++)
    {
        for (int j = 0; j <= ans.length(); j++)
        {
            string bfr = ans;
            ans.insert(ans.begin() + j, 'a' + i);

            int x = query(ans);

            if (x <= prev) ans = bfr;
            else prev = x;
            if (ans.length() == n) break;
        }
        if (ans.length() == n) break;
    }

    return ans;
}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:18:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         for (int j = 0; j <= ans.length(); j++)
      |                         ~~^~~~~~~~~~~~~~~
password.cpp:27:30: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |             if (ans.length() == n) break;
      |                 ~~~~~~~~~~~~~^~~~
password.cpp:29:26: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |         if (ans.length() == n) break;
      |             ~~~~~~~~~~~~~^~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 30
• Subtask 5: 0 / 20