Submission #1351925

#	Time	Username	Problem	Language	Result	Execution time	Memory
1351925		KALARRY	Combo (IOI18_combo)	C++20	0 / 100	0 ms	412 KiB

combo

//chockolateman

#include<bits/stdc++.h>
#include "combo.h"

using namespace std;

char let[4] = {'A','B','X','Y'};

std::string guess_sequence(int N) 
{
    std::string p = "";
    for(int i = 0 ; i <= 3 ; i++)
    {
        p += let[i];
        int res = press(p);
        if(res >= i+1)
            break;
        p.pop_back();
    }
    for(int i = 1 ; i <= N-1 ; i++)
    {
        for(int k = 0 ; k <= 3 ; k++)
        {
            if(let[k] == p[0])
                continue;
            char c = let[k];
            p.push_back(c);
            int res = press(p);
            if(res >= i+1)
                break;
            p.pop_back();
        }
    }
    return p;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95