The hottest Trees Substack posts right now

And their main takeaways

Category

Top Climate & Environment Topics

Can't see the Forest For the Tree Plantations

Climateer • 604 implied HN points • 16 Feb 23

🌞 Climate & Environment Trees Climate change

Trees store a lot of carbon from the air by photosynthesis in their bodies
The carbon impact of tree planting depends on factors like soil carbon, forest management, and tree type
Planting trees in different ways can have varying effects on carbon storage and climate impact

Problem 59:Invert Binary Tree [Google]

Technology Made Simple • 39 implied HN points • 06 Oct 22

🕹 Technology Recursion Trees Coding Programming

Inverting a binary tree is a classic problem that demonstrates important concepts like recursion and trees.
This problem can help build a strong foundation for tackling more complex coding challenges involving recursion, trees, graphs, and dynamic programming.
The process of inverting a binary tree involves swapping left and right children recursively starting from the root.

[Solution]Problem 43: Jump Game (Amazon)

Technology Made Simple • 19 implied HN points • 24 Jun 22

🕹 Technology Math Trees Algorithms Programming

The problem involves determining if you can reach the end of an array based on specific rules.
Optimizations can be made by identifying key indices from which reaching the end is possible.
A recursive structure emerges where solving sub-problems hinges on reaching specific target indices.

Problem 42: Length of the longest subarray where all its elements are distinct (Microsoft)

Technology Made Simple • 19 implied HN points • 15 Jun 22

🚌 Education Math Combinatorics Trees

The post discusses a coding interview question about finding the number of distinct ways to create a max heap from a list of integers.
It emphasizes the importance of practicing unique interview questions to prepare for a variety of challenges.
The author shares personal anecdotes and encourages engaging with the content by sharing preferences for future topics.

[Solution]Problem 61:Increasing Order Search Tree [Apple]

Technology Made Simple • 0 implied HN points • 21 Oct 22

🕹 Technology Trees Recursion

The problem involves rearranging a binary search tree where the leftmost node becomes the root and each node has only a right child.
There are examples provided with input and output to better understand the problem.
Constraints such as the number of nodes and the range of node values are also specified.

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[Solution]Problem 59:Invert Binary Tree [Google]

Technology Made Simple • 0 implied HN points • 07 Oct 22

🕹 Technology Recursion Trees

Inverting a binary tree involves swapping the left and right subtrees of each node, great for understanding recursion, trees, graphs, and dynamic programming
The problem to invert a binary tree is also known as problem 226
Practicing with problems like inverting binary trees can help build fundamental problem-solving skills