#include "combo.h"
#include <string>
#include <iostream>
using namespace std;
// press()
string guess_sequence(int N) {
string S = "";
string mulige = "ABXY";
if (press("AB") == 1) {
if (press("A") == 1) {
S += "A";
mulige.erase(0, 1);
}
else {
S += "B";
mulige.erase(1, 1);
}
}
else {
if (press("X") == 1) {
S += "X";
mulige.erase(2, 1);
}
else {
S += "Y";
mulige.erase(3, 1);
}
}
for (int i = 1; i <= N-2; i++) {
string str;
for (int i = 0; i < 3; i++) {
str += S;
str += mulige[0];
str += mulige[i];
}
str += S;
str += mulige[1];
int tmp = press(str);
if (tmp == i+2) S += mulige[0];
else if (tmp == i+1) S += mulige[1];
else S += mulige[2];
}
if (press(S + mulige[0]) == N) S += mulige[0];
else if (press(S + mulige[1]) == N) S += mulige[1];
else S += mulige[2];
return S;
}
