These notes will look at numerous data structures ranging from familiar arrays and lists to more complex structures such as trees, heaps and graphs, link list, sorting and many more. The Notes is fully Handwritten by topper of an IITian . The Language is used to illustrate examples is C . This is the Ultimate Data Structure notes which cover from Basics to Advance level along with every important topic definition . Topic IncludeDS IntroductionClassification of DSIntroduction to AlgorithmAsymptotic AnalysisDS-PointerDS-StructureDS-ArrayDS-LinklistDS-SkiplistDS-StackDS-QueueDS-TreeTypes of TreeDS-GraphGraph AlgorithmSearchingSearching AlgorithmSorting AlgorithmImplementation of Sorting AlgorithmDS- Interview Questions With AnswerCode Example of Each Topic