Brendan's Blog

Come for computer science and tech related blog posts.

226. Invert Binary Tree

November 20, 2022

Brendan Lichtler

1-Minute Read

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Invert a binary tree.

129. Sum Root to Leaf Numbers

August 10, 2020

Brendan Lichtler

2-Minute Read

Desert Scene

https://leetcode.com/problems/sum-root-to-leaf-numbers/

257. Binary Tree Paths

August 10, 2020

Brendan Lichtler

2-Minute Read

https://leetcode.com/problems/binary-tree-paths/

814. Binary Tree Pruning

August 10, 2020

Brendan Lichtler

2-Minute Read

Desert Scene

https://leetcode.com/problems/binary-tree-pruning/

235. Lowest Common Ancestor of a Binary Search Tree

August 10, 2020

Brendan Lichtler

3-Minute Read

https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/

100. Same Tree

August 10, 2020

Brendan Lichtler

1-Minute Read

Desert Scene

https://leetcode.com/problems/same-tree/

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Recent Posts

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232. Implement Queue using Stacks

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141. Linked List Cycle

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