How do you manage memory in Swift, and how does ARC (Automatic Reference Counting) work?
Ios Developer Internship Interview Questions
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One medium leetcode which I solved in time.
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Reverse Array
How tableview dequeue works
Two strings are given. And a dictionary of similar words. The task is to have a function that compares two strings and gives you an answer if they're similar or not. They are similar if the words are identical or have the same meaning based on the given array.
Find if any of two elements of array sum up to a given number.
Here’s a ninja (i.e. supposedly not a heavy) question: Given an array of numbers, reset the array to put all the non-zero numbers in front of all the zeros in the array, then return the count of non-zero numbers. e.g., for an input array of [3,0,2,0,0,1,0,4], you’ll end up with a return value of 4 and an array of [3,2,1,4,0,0,0,0] I do not remember if they asked me to do this in-line and/or return the adjusted array as well.
This is a question from my first interview (back in 2015), and I have a feeling it's still used: A telephone keypad has letters associated with each number (e.g. 2 = abc, 3 = def). Given a passphrase of "fb1" (e.g. one that you might use to log into a bank account), come up with an algorithm that would assemble an array that contains all the different possible letter combinations that, when typed into a telephone dial pad, would be equivalent to the original passphrase. That is, "fb1" equals "321" numerically; matching equivalent combinations include: "da1", "db1", "dc1", "ea1", "eb1", "ec1", "fa1" and "fc1".
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