Submission #331234

#	Time	Username	Problem	Language	Result	Execution time	Memory
331234		Peti	Password (RMI18_password)	C++14	30 / 100	631 ms	384 KiB

password

#include <iostream>
#include <vector>

using namespace std;

int query(string str);

string guess(int n, int s){
    vector<int> db(26, 0);
    for(int i = 0; i < s; i++){
        char c = (char)((int)'a' + i);
        string q;
        q.assign(n, c);
        db[i] = query(q);
    }

    string pass;
    pass.assign(db[0], 'a');
    for(int i = 1; i < s; i++){
        char c = (char)((int)('a' + i));
        for(int j = 0; j < db[i]; j++){
            int x = 0;
            while(1){
                string q = pass;
                q.insert(q.begin() + x, c);
                if(query(q) == (int)q.size()){
                    pass = q;
                    break;
                }
                x++;
            }
        }
    }

    return pass;
}

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