💄 added error message in case number doesn't get checked as valid

assignments/02/02_1.cpp

@@ -14,8 +14,10 @@ int guess(int to_guess) {
     std::cin >> guess;
     int guess_number;
     int check = check_number(guess, &guess_number);
-    if (check < 0)
+    if (check < 0) {
+        std::cout << "Something seems to have went wrong." << std::endl;
         return check;
+    }
     if (!(guess_number == to_guess)) {
         if (guess_number < to_guess)
             std::cout << "Your number is too small." << std::endl;