Week 2

Second week of the 30-day plan. Focus: BST, heaps, graphs, and introduction to dynamic programming.

Days and files

Day	Topic	File
8	Binary Search Trees (BST)	day-8-binary-search-trees-bst.md
9	Heaps	day-9-heaps..md
10	Graph basics	day-10-graph-basics..md
11	Graph algorithms	day-11-graph-algorithms.md
12	Dynamic programming introduction	day-12-dynamic-programming-introduction.md
13	Intermediate dynamic programming	day-13-intermediate-dynamic-programming.md
14	Review week’s topics	day-14-review-weeks-topics.md

SDE-3 depth

• BST and trees: foundations/data-structures/tree.md

• Heaps: foundations/data-structures/heap.md

• Graphs: foundations/algorithms/graph.md, foundations/data-structures/graphs.md

• DP: foundations/algorithms/dynamic-programming/README.md, patterns/dp-advanced.md