BFS. Complexity and how to use it
Junior Ios Developer Interview Questions
7,851 junior ios developer interview questions shared by candidates
What is ARC in swift?
Write a perfect implementation of GCD (background & main threads).
inline valid palindrome check
How Autolayout works
5 rounds, 3 algorithms, 1 system design, 1 BQ
Design an airline booking app
Asked me to architect an app that pulls photos from a server and displays them in a feed.
How did you start programming ? What languages do you program in ? Are you familiar with Objective C ?
You have a simple tree structure Ⓐ and its clone ⓐ. Given an original tree's node Ⓑ, find and return the cloned tree's node ⓑ that is the clone of node Ⓑ. Each node in the tree has a pointer to it's parent as well as an array of it's children. Original Clone Ⓐ ⓐ ┏━┻━━┓ ┏━┻━━┓ ◯ ◯ ◯ ◯ ┏┻┓ ┏━╋━┓ ┏┻┓ ┏━╋━┓ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ┏┻┓ ┃ ┏┻┓ ┃ ◯ Ⓑ ◯ ◯ ⓑ ◯
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