The Pigeonhole principle is a useful tool that can be applied in various scenarios. Applying this principle, one can perform data integrity checks and make statistical predictions.
It aims to find the longest subsequence present in both input sequences, where a subsequence is a sequence that appears in the same relative order but not necessarily consecutively.
Visualizing a binary tree can help in understanding its structure and the relationships between its nodes. It is particularly useful for debugging problems with complex Binary Trees.