int fun = 0;
cin >> problem;

if (problem.type == "Math") {
    fun++;
    if (problem.solution == "Matrix Multiplication") fun += 69;
}

if (problem.type == "Data Structure") {
    fun--;
    if (problem.solution == "Tree") fun = -1;
}

if (fun < 0) cout << "Why didn't my code work?";
else cout << "Why did my code work?";