#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int N){
    string ans, r;
    if(press("AB")){
        if(press("A")) ans+="A";
        else ans+="B";
    }else{
        if(press("X")) ans+="X";
        else ans+="Y";
    }
    if(ans=="A") r="BXY";
    else if(ans=="B") r="AXY";
    else if(ans=="X") r="ABY";
    else r="ABX";
    for(int i=1; i<N-1; i++){
        int x=press(ans+r[0]+ans+r[1]+r[0]+ans+r[1]+r[1]+ans+r[1]+r[2]);
        if(x==i) ans+=r[2];
        else if(x==i+1) ans+=r[0];
        else ans+=r[1];
    }
    if(press(ans+"AB")==N){
        if(press(ans+"A")==N) ans+="A";
        else ans+="B";
    }else{
        if(press(ans+"X")==N) ans+="X";
        else ans+="Y";
    }
    return ans;
}
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... |