제출 #203400

#제출 시각아이디문제언어결과실행 시간메모리
2034000gnjen콤보 (IOI18_combo)C++14
5 / 100
3 ms264 KiB
#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

std::string guess_sequence(int N)
{
    //cout << N << endl;
    string s = "";
    string c = "ABXY";

    if( press("XY") )
    {
        if(press("X"))s = "X" , c = "ABY";
        else s = "Y" , c = "ABX";
    }
    else
    {
        if(press("A"))s = "A" , c = "BXY";
        else s = "B" , c ="AXY";
    }

    for(int i = 1; i < N-1; i++)
    {
        string ask1 = s ;
        ask1+=c[0];

        ask1+=s;
        ask1+=c[1];
        ask1+=c[0];

        ask1+=s;
        ask1+=c[1];
        ask1+=c[1];

        ask1+=s;
        ask1+=c[1];
        ask1+=c[2];


        int p = press(ask1);

        if(p == i)
            s += c[2];

        if(p == i+1)
            s += c[0];

        if(p == i+2)
            s += c[1];
    }

    string ask1 = s;ask1+=c[0];
    string ask2 = s;ask2+=c[1];
    string ask3 = s;ask3+=c[2];
    if(press(ask1) == N)s = ask1;
    else if(press(ask2) == N)s = ask2;
    else s = ask3;

    return s;
}
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