Luokittelija

#include <iostream>
using namespace std;

int main() {
	int k;
	cin >> k;

	if (k == 2) {
		cout << "12\n";
		cout << "C0 -> 0C\n";
		cout << "C1 -> 1C\n";
		cout << "0C -> D\n";
		cout << "1C -> E\n";
		cout << "A0 -> 0A\n";
		cout << "A1 -> 1A\n";
		cout << "B0 -> 0B\n";
		cout << "B1 -> 1B\n";
		cout << "AD -> _\n";
		cout << "BE -> _\n";
		cout << "0 -> AC\n";
		cout << "1 -> BC\n";
	}
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER

Test 4

Group: 4

Verdict: WRONG ANSWER