Submission #333347

#	Time	Username	Problem	Language	Result	Execution time	Memory
333347		valerikk	Password (RMI18_password)	C++17	0 / 100	117 ms	632 KiB

password

#include <bits/stdc++.h>
using namespace std;

int query(string str);

string guess(int n, int s) {
    string cur = "";
    string res = "";
    for (int i = 0; i < n; i++) {
        while (true) {
            bool was = false;
            for (char x = 'a'; x < 'a' + s; x++) {
                assert(cur.size() >= i);
                cur.insert(cur.begin() + i, x);
                if (query(cur) == cur.size()) was = true; else cur.erase(cur.begin() + i);
            }
            if (!was) break;
        }
        assert(cur.size() >= i + 1);
        res.push_back(cur[i]);
    }
    return res;
}

Compilation message (stderr)

In file included from /usr/include/c++/9/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
                 from password.cpp:1:
password.cpp: In function 'std::string guess(int, int)':
password.cpp:13:35: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |                 assert(cur.size() >= i);
      |                        ~~~~~~~~~~~^~~~
password.cpp:15:32: 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(cur) == cur.size()) was = true; else cur.erase(cur.begin() + i);
      |                     ~~~~~~~~~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/9/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
                 from password.cpp:1:
password.cpp:19:27: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |         assert(cur.size() >= i + 1);
      |                ~~~~~~~~~~~^~~~~~~~

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