Rik Kisnah - Blog

#Coding

Validate a Binary Search Tree

Sep 17, 2019 Validate a Binary Search Tree

Merge Intervals

May 7, 2019 Merge Intervals

Invert a Binary Tree

Oct 9, 2018 Invert a Binary Tree

Merge Two Sorted Lists

May 22, 2018 Merge Two Sorted Lists

Intervals

Mar 27, 2018 Intervals

Detect a Cycle in a Linked List

Nov 28, 2017 Detect a Cycle in a Linked List

Sliding Window, Fixed Length

Oct 3, 2017 Sliding Window, Fixed Length

Binary Search

Aug 22, 2017 Binary Search

Best Time to Buy and Sell Stock

Mar 14, 2017 Best Time to Buy and Sell Stock

Stacks

Feb 21, 2017 Stacks