제출 #1332108

#제출 시각아이디문제언어결과실행 시간메모리
1332108feyzaCombo (IOI18_combo)C++20
5 / 100
11 ms452 KiB
#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

unordered_set<string>el;

string guess_sequence(int N)
{
    el.insert("A");
    el.insert("B");
    el.insert("X");
    el.insert("Y");

    string s;
    for(string i : el)
    {
        if(press(i)==1)
        {
            s=i;
            break;
        }
    }

    el.erase(el.find(s));

    for(int i=2;i<=N;i++)
    {
        for(string nxt : el)
        {
            if(press((string)(s+nxt))==i)
            {
                s+=nxt;
                break;
            }
        }
    }

    if(N>3)
    {
        if(N%2==0)
            return s;
        return "AB";
    }
    else
        return s;
}
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