Timothy H Chang

@UCYN7_u5craa4dZc12Ik2P0g - 15.2K subscribers

Tim the Data Engineer Living the Data Lyfe, it aint glamorous, it's tedious. I love it. I dabble in the analytics and software engineering. Do not trust me, I know nothing. 2021 Plan: Feb-May: Daily Leetcode Problems June-July: Talk about working in Tech August-December: Journey to become a SWE **EDIT** September-Continue Leetcode Challenges October- Weekly Videos (Experiment) talking about my personal journey

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Leetcode - Binary Search Tree Iterator (Python)

Leetcode - Binary Search Tree Iterator (Python) Timothy H Chang

2.7K views - 3 years ago

Leetcode - Smallest String With Swaps (Python)

Leetcode - Smallest String With Swaps (Python) Timothy H Chang

3.9K views - 3 years ago

So You've Been Rejected from FAANG

So You've Been Rejected from FAANG Timothy H Chang

9.7K views - 3 years ago

Binarysearch.com - Binary Search Tree Typo

Binarysearch.com - Binary Search Tree Typo Timothy H Chang

1K views - 3 years ago

Leetcode - Spiral Matrix II (Python)

Leetcode - Spiral Matrix II (Python) Timothy H Chang

2.5K views - 3 years ago

Leetcode - Shift 2D Grid (Python)

Leetcode - Shift 2D Grid (Python) Timothy H Chang

1K views - 3 years ago

Leetcode - Baseball Game (Python)

Leetcode - Baseball Game (Python) Timothy H Chang

1.4K views - 3 years ago

Leetcode - Kth Largest Element in a Stream (Python)

Leetcode - Kth Largest Element in a Stream (Python) Timothy H Chang

1.7K views - 3 years ago

Leetcode - Last Stone Weight (Python)

Leetcode - Last Stone Weight (Python) Timothy H Chang

870 views - 3 years ago

Python Leetcode Coding - Binary Search (1)

Python Leetcode Coding - Binary Search (1) Timothy H Chang

617 views - 3 years ago

Leetcode - Valid Palindrome II (Python)

Leetcode - Valid Palindrome II (Python) Timothy H Chang

1.6K views - 3 years ago

Leetcode - Search in Rotated Sorted Array II (Python)

Leetcode - Search in Rotated Sorted Array II (Python) Timothy H Chang

1.8K views - 3 years ago

Python Leetcode Coding - Stacks (1)

Python Leetcode Coding - Stacks (1) Timothy H Chang

1.3K views - 3 years ago

Leetcode - Palindrome Partitioning (Python)

Leetcode - Palindrome Partitioning (Python) Timothy H Chang

3.1K views - 3 years ago

Leetcode - Delete and Earn (Python)

Leetcode - Delete and Earn (Python) Timothy H Chang

1.5K views - 3 years ago

Leetcode - Longest Common Subsequence (Python)

Leetcode - Longest Common Subsequence (Python) Timothy H Chang

9.9K views - 4 years ago

Leetcode - Partition to K Equal Sum Subsets (Python)

Leetcode - Partition to K Equal Sum Subsets (Python) Timothy H Chang

3.3K views - 4 years ago

Leetcode - Split Linked List in Parts (Python)

Leetcode - Split Linked List in Parts (Python) Timothy H Chang

2.8K views - 4 years ago

Leetcode - Sort Array By Parity II (Python)

Leetcode - Sort Array By Parity II (Python) Timothy H Chang

1.5K views - 4 years ago

Leetcode - Unique Email Addresses (Python)

Leetcode - Unique Email Addresses (Python) Timothy H Chang

1K views - 4 years ago

Leetcode - Transform to Chessboard (Python)

Leetcode - Transform to Chessboard (Python) Timothy H Chang

1.2K views - 4 years ago

Leetcode - Shortest Path in a Grid with Obstacles Elimination (Python)

Leetcode - Shortest Path in a Grid with Obstacles Elimination (Python) Timothy H Chang

5.3K views - 4 years ago

Leetcode - N-th Tribonacci Number (Python)

Leetcode - N-th Tribonacci Number (Python) Timothy H Chang

2.6K views - 4 years ago

Leetcode - Break a Palindrome (Python)

Leetcode - Break a Palindrome (Python) Timothy H Chang

5.9K views - 4 years ago

Leetcode - Maximum Length of a Concatenated String with Unique Characters (Python)

Leetcode - Maximum Length of a Concatenated String with Unique Characters (Python) Timothy H Chang

1.2K views - 4 years ago

Leetcode - Max Consecutive Ones (Python)

Leetcode - Max Consecutive Ones (Python) Timothy H Chang

5.4K views - 4 years ago

Leetcode - Find Winner on a Tic Tac Toe Game (Python)

Leetcode - Find Winner on a Tic Tac Toe Game (Python) Timothy H Chang

9.2K views - 4 years ago

Leetcode - Distinct Subsequences (Python)

Leetcode - Distinct Subsequences (Python) Timothy H Chang

1.3K views - 4 years ago

Leetcode - Expression Add Operators (Python)

Leetcode - Expression Add Operators (Python) Timothy H Chang

2.4K views - 4 years ago

Leetcode - Intersection of Two Arrays II (Python)

Leetcode - Intersection of Two Arrays II (Python) Timothy H Chang

17.2K views - 4 years ago

Leetcode - Longest Turbulent Subarray (Python)

Leetcode - Longest Turbulent Subarray (Python) Timothy H Chang

892 views - 4 years ago

Leetcode - Reverse Only Letters (Python)

Leetcode - Reverse Only Letters (Python) Timothy H Chang

2.1K views - 4 years ago

Leetcode - Maximum Number of Balloons (Python)

Leetcode - Maximum Number of Balloons (Python) Timothy H Chang

814 views - 4 years ago

Leetcode - Reachable Nodes In Subdivided Graph (Python)

Leetcode - Reachable Nodes In Subdivided Graph (Python) Timothy H Chang

553 views - 4 years ago

Leetcode - Basic Calculator (Python)

Leetcode - Basic Calculator (Python) Timothy H Chang

16.7K views - 4 years ago

Leetcode - Arithmetic Slices II - Subsequence (Python)

Leetcode - Arithmetic Slices II - Subsequence (Python) Timothy H Chang

1.2K views - 4 years ago

Leetcode - Largest Plus Sign (Python)

Leetcode - Largest Plus Sign (Python) Timothy H Chang

901 views - 4 years ago

Leetcode - Shifting Letters (Python)

Leetcode - Shifting Letters (Python) Timothy H Chang

9.5K views - 4 years ago

Leetcode - Reverse Linked List (Python)

Leetcode - Reverse Linked List (Python) Timothy H Chang

14.5K views - 4 years ago

Leetcode - Erect the Fence (Python)

Leetcode - Erect the Fence (Python) Timothy H Chang

822 views - 4 years ago

Leetcode - Slowest Key (Python)

Leetcode - Slowest Key (Python) Timothy H Chang

548 views - 4 years ago

Leetcode - Orderly Queue (Python)

Leetcode - Orderly Queue (Python) Timothy H Chang

479 views - 4 years ago

Leetcode - Sum of Distances in Tree (Python)

Leetcode - Sum of Distances in Tree (Python) Timothy H Chang

5.2K views - 4 years ago

Leetcode - Unique Binary Search Trees II (Python)

Leetcode - Unique Binary Search Trees II (Python) Timothy H Chang

2.6K views - 4 years ago

Leetcode - Array Nesting (Python)

Leetcode - Array Nesting (Python) Timothy H Chang

1.1K views - 4 years ago

Leetcode - Find Minimum in Rotated Sorted Array (Python)

Leetcode - Find Minimum in Rotated Sorted Array (Python) Timothy H Chang

3.5K views - 4 years ago

Leetcode - Range Addition II (Python)

Leetcode - Range Addition II (Python) Timothy H Chang

1.3K views - 4 years ago

Leetcode - Patching Array (Python)

Leetcode - Patching Array (Python) Timothy H Chang

5.3K views - 4 years ago

Leetcode - Maximum Profit in Job Scheduling (Python)

Leetcode - Maximum Profit in Job Scheduling (Python) Timothy H Chang

10.4K views - 4 years ago

Leetcode - Longest Uncommon Subsequence II (Python)

Leetcode - Longest Uncommon Subsequence II (Python) Timothy H Chang

1.3K views - 4 years ago

Leetcode - Verify Preorder Serialization of a Binary Tree (Python)

Leetcode - Verify Preorder Serialization of a Binary Tree (Python) Timothy H Chang

1.5K views - 4 years ago

Leetcode - Sum of Square Numbers (Python)

Leetcode - Sum of Square Numbers (Python) Timothy H Chang

2.7K views - 4 years ago

Leetcode - Complex Number Multiplication (Python)

Leetcode - Complex Number Multiplication (Python) Timothy H Chang

1.3K views - 4 years ago

Leetcode - Two Sum IV - Input is a BST (Python)

Leetcode - Two Sum IV - Input is a BST (Python) Timothy H Chang

5.2K views - 4 years ago

Leetcode - Valid Sudoku (Python)

Leetcode - Valid Sudoku (Python) Timothy H Chang

4.9K views - 4 years ago

Leetcode - Maximum Product of Splitted Binary Tree (Python)

Leetcode - Maximum Product of Splitted Binary Tree (Python) Timothy H Chang

1.1K views - 4 years ago

Leetcode - Count Good Nodes in Binary Tree (Python)

Leetcode - Count Good Nodes in Binary Tree (Python) Timothy H Chang

909 views - 4 years ago

Leetcode - Range Sum Query - Immutable (Python)

Leetcode - Range Sum Query - Immutable (Python) Timothy H Chang

3.1K views - 4 years ago

Leetcode - Set Matrix Zeroes (Python) (Revisited)

Leetcode - Set Matrix Zeroes (Python) (Revisited) Timothy H Chang

2K views - 4 years ago

Leetcode - Array of Doubled Pairs (Python)

Leetcode - Array of Doubled Pairs (Python) Timothy H Chang

1.4K views - 4 years ago