Prepare of iOS interviews, test yourself against friends, and level up your skills.
This repository contains my solutions for coding challenges from the book: Swift Coding Challenges by Paul Hudson
Swift Coding Challenges contains 64 challenges across five categories and three difficulty levels, so there's something for everyone. Here are some sample challenges that are covered:
- Given two strings, write a function that returns true if all letters are unique.
- Make a version of the min() method that returns the three smallest numbers in an array.
- Write an implementation of quick sort for arrays.
- Recreate the built-in map() method for collections.
- Write a function that returns the frequency of a word in an input file.
- Given a Tic-Tac-Toe board, write a function that returns true if either player has won the game.
- Write a function that accepts a binary tree and returns true if it's balanced.
- Given a string with no duplicate characters, write a function that returns an array containing all letter permutations.
- Write a function that accepts an integer array and returns its median value.
- Write a function that accepts a linked list that loops back to itself, and returns the item at the start of the loop.
Swift Coding Challenges helps develop your core skills, teaches you how to solve important problems, and builds confidence for job interviews – all in one book!