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Topic 9: Trees — Binary Trees 🌳

This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.

Trees are one of the most important DSA topics for coding interviews and exams. A tree is a hierarchical data structure made of nodes connected by edges. Example: 1 / \ 2 3 / \ \ 4 5 6 1 is the root 2 and 3 are children of 1 4 , 5 , and 6 are leaf nodes The height of this tree is 2 edges 1. Binary…

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Timeline · 2 reports

  1. 2026-10-03 02:00 · DEV Community — AI
    Topic 10: Binary Search Trees - BST 🌲
  2. 2026-10-03 01:59 · DEV Community — AI
    Topic 9: Trees — Binary Trees 🌳

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