#include "combo.h"
std::string guess_sequence(int N) {
std::string p;
std::string pos;
// find first letter (3 presses)
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";
// find next N-1 letters (in N-1 presses?)
for (int i = 1; i < N; i++)
{
int coins = press(p + pos[0] + p + pos[1] + pos[0] + p + pos[1] + pos[2]);
if (coins == i + 2)
p += pos[1];
else if (coins == i + 1)
p += pos[0];
else
p += pos[2];
}
return p;
}
