The question was about the compression algorithm. Counting letters in a book, assigning them to smallest identifiers and building a binary tree for quick access to the most used letters.
Senior Ios Engineer Interview Questions
622 senior ios engineer interview questions shared by candidates
Can you predict what we're looking for without us asking?
Q: Do you know the benefits VIPER brings? (N26 is using VIPER)
Language specific questions on swift programming.
How you usually relax after a difficult working day?
How would you create an animation such that a piece of hardware had a glowing particle rotate around it in a 3D-like effect, going in front and behind it?
how can you make it thread-safe: class AClass { var arr: [String] }
Design a horizontal and vertical scrollable view
How ARC works?
The other question was recursive of course (something almost never used in iOS development, but whatever). Given an amount of money and some lists of products, you have to return how many different options you have to buy one of each of the products.
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