Submission #1259494

#	Time	Username	Problem	Language	Result	Execution time	Memory
1259494		truongdz_top12	Combo (IOI18_combo)	C++20	10 / 100	20 ms	456 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
string guess_sequence(int N)
{
    string res="";
    for(int i=0;i<N;++i)
    {
        bool ok=false;
        for(auto&c:{'A','B','X','Y'})
        {
            string p=res;
            p+=c;
            int k=press(p);
            if(k==p.size())
            {
                res+=c;
                ok=true;
                break;
            }
        }
        if(!ok)
            res+='A';
    }
    return res;
}

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