Here are all the important discussion posts which contain brief descriptions about a topic with its problem list. Recursion:- A. https://leetcode.com/tag/recursion/discuss/1733447/Become-Master-In-Recursion Binary Tree and Binary Search Tree:- A. https://leetcode.com/tag/binary-tree/discuss/1212004/Binary-Trees-study-guide B. https://leetcode.com/tag/binary-tree/discuss/1820334/Become-Master-in-Tree C. https://leetcode.com/tag/binary-tree/discuss/1094690/Views-and-Traversal-of-binary-tree-or-Important-topics-or-Must-Read-%3A- ) Dynamic Programming:- A. https://leetcode.com/discuss/study-guide/458695/Dynamic-Programming-Patterns B. https://leetcode.com/tag/dynamic-programming/discuss/1437879/Dynamic-Programming-Patterns C. https://leetcode.com/tag/dynamic-programming/discuss/662866/DP-for-Beginners-Problems-or-Patterns-or-Sample-Solutions D. https://leetcode.com/tag/dynamic-programming/discuss/1050391/Must-do-Dynamic-programm...
competitive programming guides eg.algorithms,problems,tricks ,datastructure based on cp.