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Latest posts

LeetCode: Add Two Numbers

Aug 20, 2021

Example of using dummy head technique

LeetCode: Merge Two Sorted Lists

Aug 19, 2021

(IMO) Not easy as categorized

LeetCode: Odd Even Linked List

Aug 18, 2021

2 pointers running simultaneously

LeetCode: Remove Linked List Elements

Aug 15, 2021

Keep next next

LeetCode: Reverse Linked List

Aug 15, 2021

Update head each iteration

LeetCode: Linked List Cycle II

Aug 12, 2021

Same as LC 141, but different in return

LeetCode: Search Insert Position

Aug 11, 2021

Understand why returns "low/left"

LeetCode: Design Linked List

Aug 11, 2021

Implement some linked list methods

LeetCode: Valid Parentheses

Aug 10, 2021

Classic stack problem

LeetCode: Find Pivot Index

Aug 9, 2021

2 prefix sums

LeetCode: Height Checker

Aug 3, 2021

Clone and sort

LeetCode: Third Maximum Number

Aug 3, 2021

Sort unique numbers

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