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Submission #333337

# Submission time Handle Problem Language Result Execution time Memory
333337 2020-12-05T16:28:34 Z valerikk Password (RMI18_password) C++17
10 / 100
 72 ms 620 KB 
#include <bits/stdc++.h>
using namespace std;

int query(string str);

string guess(int n, int s) {
    string ans = "";
    for (int i = 0; i < n; ++i) {
        for (char x = 'a'; x < 'a' + s; x++) {
            if (ans.size() < n) {
                ans.insert(ans.begin() + i, x);
                if (query(ans) != ans.size()) ans.erase(ans.begin() + i, ans.begin() + i + 1);
            }
        }
    }
    return ans;
}

Compilation message

password.cpp: In function 'std::string guess(int, int)':
password.cpp:10:28: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |             if (ans.size() < n) {
      |                 ~~~~~~~~~~~^~~
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 |                 if (query(ans) != ans.size()) ans.erase(ans.begin() + i, ans.begin() + i + 1);
      |                     ~~~~~~~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Guessed the password with 210 queries.
2 Correct 5 ms 364 KB Guessed the password with 482 queries.

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 620 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 72 ms 620 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Guessed the password with 210 queries.
2 Correct 5 ms 364 KB Guessed the password with 482 queries.
3 Runtime error 3 ms 620 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Guessed the password with 210 queries.
2 Correct 5 ms 364 KB Guessed the password with 482 queries.
3 Runtime error 3 ms 620 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -