True Random Xcode

Question

I\'m currently making a quiz app. When a user starts the quiz random questions show up like you would expect from a quiz app. The problem is, it is not quite random. It does sho

Answer 1

The idea is to use each question once until all questions have been used.

Sample code. Note that the questionIndex does not repeat.

// Setup
int questionCount = 10; // real number of questions
NSMutableArray *questionIndexes = [NSMutableArray array];
for (int i=0; i

NSLog output:
arrayIndex: 9, questionIndex: 9
arrayIndex: 5, questionIndex: 5
arrayIndex: 5, questionIndex: 6
arrayIndex: 3, questionIndex: 3
arrayIndex: 3, questionIndex: 4
arrayIndex: 4, questionIndex: 8
arrayIndex: 2, questionIndex: 2
arrayIndex: 0, questionIndex: 0
arrayIndex: 1, questionIndex: 7
arrayIndex: 0, questionIndex: 1