DSA

28 patterns for 14 weeks

Week 1 Two Sum Given an array of integers nums and an integer target, return indices of the two n...

15 patterns

https://www.youtube.com/watch?v=DjYZk8nrXVY Prefix Sum Range Sum Query - Immutable Contiguous Ar...

25 Questions

Graphs: 1. Clone Graph Given a reference of a node in a connected undirected graph. Return a deep...