Recursion

Word Search

Palindrome Partitioning

Combination Sum 3

Understanding Backtracking

Permutation of a String

Letter Combinations of a Phone Number

Power Set

Learn how to generate all subsets (power set) of a given array using recursion and bitmasking in C++. Covers both LeetCode 78 and 90 with dry runs, complexity analysis, and optimized code.

Game of Death (Josephus Problem)

Print N-bit Binary Numbers Having More 1's than 0's for any Prefix

Permutation with Case Change

Permutation with Spaces