#include "combo.h" #include <bits/stdc++.h> using namespace std; std::string guess_sequence(int N) { vector<char> b = {'A', 'B', 'X', 'Y'}; int i=0;int r=0; std::string p = "";std::string S = ""; while(!r){ p.push_back(b[i]); r=press(p); p.clear(); i++; } S.push_back(b[i-1]); b.erase(b.begin()+i-1); for(int i=0;i<N-1;i++){ r=0;int t=0; while(!r){ p=S; p.push_back(b[i]); r=press(p); t++; } S.push_back(b[t-1]); } return S; }