#include "combo.h" std::string guess_sequence(int N) { std::string p; std::string pos; if (press("A")) pos = "BXY", p = "A"; else if (press("B")) pos = "AXY", p = "B"; else if (press("X")) pos = "ABY", p = "X"; else pos = "ABX", p = "Y"; int coins = 1; for (int i = 1; i < N; i++) for (char btn : pos) { int res = press(p + btn); if (res > coins) { p.push_back(btn); coins = res; break; } } return p; }