#include "combo.h" std::string guess_sequence(int N) { std::string ans; //std::string s; std::string alp = "ABXY"; int coin; coin = press("AB"); if(coin) { coin = press("A"); if (coin) ans = "A"; else ans = "B"; } else { coin = press("X"); if (coin) ans = "X"; else ans = "Y"; } if (N == 1) return ans; std::string temp; for (auto i: alp) if (i != ans[0]) temp += i; //int tindex = 0; //012 while(ans.size() < N-1) { int now = ans.size(); std::string s = ans + temp[0] + temp[1] +ans+ temp[0] + temp[2] +ans+ temp[0] + temp[0] + ans + temp[1]; coin = press(s); if (coin == now) ans += temp[2]; else if (coin == now + 1) ans += temp[1]; else ans += temp[0]; } if (press(ans + temp[0]) == N) ans += temp[0]; else if (press(ans + temp[1]) == N) ans += temp[1]; else ans += temp[2]; return ans; }