Funktion für zufällige Frage

src/timequiz.c

@@ -54,8 +54,13 @@ void timequiz() {
 
     memset(askedQuestions, 0, sizeof(askedQuestions));
     srand((unsigned int)time(NULL));
+}
 
 int getRandomQuestionIndex(int askedQuestions[], int totalQuestions) {
+    int questionIndex;
+    do {
+        questionIndex = rand() % totalQuestions;
+    } while (askedQuestions[questionIndex] == 1);
+    return questionIndex;
 }
 
-}