CodingNinja

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499 videos

Hi Everyone! My name is Ken. I used to work for Amazon. Let's solve the interview questions by using LeetCode. I'll explain how to solve the question and wri...

Latest Videos

AI Can Write Code. And That’s the Problem.

AI Wrote This Two Sum… Can You Find the Bug

LeetCode 643 Maximum Average Subarray This Problem Reveals If You Really Understand Sliding Window

LeetCode 463. Island Perimeter No BFS Needed!

LeetCode 2839 Explained Check if Strings Can Be Made Equal (Easy Trick!)

Why Most Engineers Fail Before They Start

Longest Palindrome LeetCode 409 Even and Odd Counts Matter

The Best Way to Support Your Engineering Career and Growth Membership Tiers Explained

The Right Order My Personal System Design Interview Framework

LeetCode 412 Fizz Buzz Explained Learn Conditional Logic the Right Way

Big O Notation - What Every Developer Must Know

Find All Disappeared Numbers - LeetCode 448 Master This Array Problem Fast!

Network Fundamentals for Software Engineers

Database Fundamentals for Beginners Tables, SQL, Indexing & Transactions

Server vs. PC It’s Not the Hardware, It’s the Role.

Longest Valid Parentheses - LeetCode 32 Solve the Parentheses Puzzle Fast!

Word Pattern - Leetcode 290 No Need for Two HashMaps!

Repeated DNA Sequences - LeetCode 187 Efficient Solution for Interviews

【Two Pointers】These Are The Exact Questions I Got In a Tech Interview

【Graph with BFS and DFS】These Are The Exact Questions I Got In a Tech Interview

【HashMap】These Are The Exact Questions I Got In a Tech Interview

【String】These Are The Exact Questions I Got In a Tech Interview

Two Sum IV - Input is a BST - leetcode 653 Preorder, Inorder and Postorder Solution

【Data Structure - Hash Tables Vol.2】Hash Function

【Data Structure - Hash Tables Vol.1】Hash Tables Introduction

Increasing Triplet Subsequence - LeetCode 334 Explained Simply

Binary Tree Postorder Traversal Made Super Easy! - leetcode 145

【Data Structure - Array Vol.2】Static vs Dynamic Arrays

Remove Duplicates from Sorted List II - LeetCode #82

【Data Structure Array - Vol.1】Arrays introduction