Submission #848798

#	Time	Username	Problem	Language	Result	Execution time	Memory
848798		TahirAliyev	Password (RMI18_password)	C++17	0 / 100	1 ms	444 KiB

password

#include <bits/stdc++.h>

using namespace std;

int query(string str);

string a, q;
vector<string> v;

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

bool comp(string& a, string& b){
    return a.size() < b.size();
}

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

Compilation message (stderr)

password.cpp: In function 'std::string merge(std::string&, std::string&)':
password.cpp:12:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     while(p1 <= a.size() && p2 < b.size()){
      |           ~~~^~~~~~~~~~~
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 |     while(p1 <= a.size() && p2 < b.size()){
      |                             ~~~^~~~~~~~~~
password.cpp:15:21: 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(q) == q.size()){
      |            ~~~~~~~~~^~~~~~~~~~~

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