Submission #503677

#	Time	Username	Problem	Language	Result	Execution time	Memory
503677		cristi_a	Combo (IOI18_combo)	C++17	10 / 100	55 ms	588 KiB

combo

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

string guess_sequence(int N) {
    vector<string> letters = {"A", "B", "X", "Y"};
    string rez = "";
    for(vector<string>::iterator i=letters.begin(); i!=letters.end(); i++)
        if(press(*i)) {
            rez = rez + *i;
            letters.erase(i);
            break;
        }

    for(int i=1; i<N; i++) {
        //cout << rez + letters[0] << " " << press(rez+letters[0]) << "\n";
        //cout << rez + letters[1] << " " << press(rez+letters[1]) << "\n";
        //cout << rez + letters[2] << " " << press(rez+letters[2]) << "\n\n";
        if(press(rez+letters[0])==i+1) rez = rez + letters[0];
        else if(press(rez+letters[1])==i+1) rez = rez + letters[1];
        else rez = rez + letters[2];
    }

    return rez;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 95