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Find next greater element for each element in an array in O(n). How would you implement a feature that involves fetching thousand of images through network call and displaying them in collection view. Caching types available in swift and their use cases. Thread management.
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IOS Developer

Interviewed at Paytm

3.2★
Jun 12, 2020

Find next greater element for each element in an array in O(n). How would you implement a feature that involves fetching thousand of images through network call and displaying them in collection view. Caching types available in swift and their use cases. Thread management.

Two-pointer strategy algo question, SOLID principles & their application, GCD (with nested print statements & you need to tell the order), didLoad vs loadView, static vs class, heap vs stack, some other basic swift questions.
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Software Engineer - IOS

Interviewed at foodpanda

3.5★
Jul 18, 2020

Two-pointer strategy algo question, SOLID principles & their application, GCD (with nested print statements & you need to tell the order), didLoad vs loadView, static vs class, heap vs stack, some other basic swift questions.

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