Submission #848783

#	Time	Username	Problem	Language	Result	Execution time	Memory
848783		TahirAliyev	Password (RMI18_password)	C++17	50 / 100	305 ms	1476 KiB

password

#include <bits/stdc++.h>

using namespace std;

int query(string str);

vector<string> v;

string merge(string a, string b){
    int p1 = 0, p2 = 0;
    while(p1 <= a.size() && p2 < b.size()){
        string q = a;
        q.insert(q.begin() + p1, b[p2]);
        if(query(q) == q.size()){
            a = q;
            p2++;
        }
        else{
            p1++;
        }
    }
    return a;
}

string guess(int n, int s){
    for(char c = 'a'; c <= 'a' + s - 1; c++){
        string s = "";
        for(int i = 1; i <= n; i++){
            s += c;
        }
        int cnt = query(s);
        s = "";
        for(int i = 1; i <= cnt; i++){
            s += c;
        }
        v.push_back(s);
    }
    string main = v[0];
    for(int i = 1; i < v.size(); i++){
        main = merge(main, v[i]);
    }
    return main;
}

Compilation message (stderr)

password.cpp: In function 'std::string merge(std::string, std::string)':
password.cpp:11:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while(p1 <= a.size() && p2 < b.size()){
      |           ~~~^~~~~~~~~~~
password.cpp:11:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while(p1 <= a.size() && p2 < b.size()){
      |                             ~~~^~~~~~~~~~
password.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         if(query(q) == q.size()){
      |            ~~~~~~~~~^~~~~~~~~~~
password.cpp: In function 'std::string guess(int, int)':
password.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(int i = 1; i < v.size(); i++){
      |                    ~~^~~~~~~~~~

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