57 posts tagged with "interview"

Solving Leetcode 15. 3 Sum

Explain heap data structure and implementation in Swift.

Solving Leetcode Problem 3. Longest Substring Without Repeating Characters

Solving Leetcode Problem 973. K Closest Points to Origin

Solving Leetcode Problem 542. 01 Matrix

Solving Leetcode Problem 57. Insert Interval

Solving Leetcode Problem 53. Maximum Subarray

Solving Leetcode Problem 217. Contains Duplicate

Solving Leetcode Problem 104. Maximum Depth of Binary Tree

Solving Leetcode Problem 876. Middle of the Linked List

Solving Leetcode Problem 543. Diameter of Binary Tree

Tricky interview question explained

Understanding when to use unowned references in Swift

Solving Leetcode Problem 67. Add Binary

Solving Leetcode Problem 169. Majority Element

Solving Leetcode Problem 206. Reverse Linked List

Solving Leetcode Problem 409. Longest Palindrome

Understanding Memory Management the differences between memory management mechanism in iOS and Android

Solving Leetcode Problem 70. Climbing Stairs

Solving Leetcode Problem 41. First Missing Positive

Solving Leetcode Problem 278. First Bad Version

Solving Leetcode Problem 383. Ransom Note

Solving Leetcode Problem 232. Implement Queue using Stacks

Solving Leetcode Problem 141. Linked List Cycle

Solving Leetcode Problem 110. Balanced Binary Tree in Swift

Solving Leetcode Problem 235. Lowest Common Ancestor of a Binary Search Tree

Solving Leetcode Problem 733. Flood Fill

Solving Leetcode Problem 704. Binary Search

Solving Leetcode Problem 242. Valid Anagram

Solving Leetcode Problem 121. Best Time to Buy and Sell Stock

Solving Leetcode Problem 226. Invert Binary Tree

Solving Leetcode Problem 21. Merge Two Sorted Lists

Solving Leetcode Problem 4: Median of Two Sorted Arrays

Understanding Dictionary data structure in Swift

Solving Leetcode 14. Longest Common Prefix

Solving Leetcode Problem 20: Valid Parentheses

Solving Leetcode Problem 7: Reverse Integer

Solving Leetcode Problem 9: Palindrome Number in Swift

Understand the Queue data structure to solve leetcode problems

Understand the Stack data structure to solve leetcode problems

Understand the Backtracking Algorithms to solve leetcode problems

Understand the Binary Search Pattern to solve leetcode problems

Understand the Hash Tables Pattern to solve leetcode problems

Create a custom map function in Swift

Understand the Dynamic Programming Pattern to solve leetcode problems

Understand the Breadth-First Search Pattern to solve leetcode problems

Understand the Depth-First Search Pattern to solve leetcode problems

Understand the two pointers technique to solve leetcode problems

Understand the sliding window pattern to solve leetcode problems

Understanding how Swift Compiler optimises applications for speed of execution

Mastering the use cases of Phantom Types in Swift

Workraround type-safe restrictions from the Swift compiler

How to implement thread-safe arrays in Swift

How to implement method swizzling to replace system methods with our own implementation in runtime

Great learning and quotes from the great book

How to use DispatchSemaphore to synchronise access to shared resources from multiple threads

Explaining iOS App Lifecycle, both for UIKit-based and SwiftUI-based apps, highlighting the differences between iOS versions.