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Searching a key in a Sorted linked list ,[object Object],[object Object],[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 - 1 1 head find(71)

inserting a key into a Sorted linked list ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 - 1 1 head p 35

deleteing a key from a sorted list ,[object Object],[object Object],[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 - 1 1 head p p1

A data structure for maintaing a set of keys in a sorted order --- SKIP LIST ,[object Object],[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1

More rules ,[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1 next-pointer Down-pointer

An empty SkipList Level 1 Top - 1 1

Finding an element with key x ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],7 14 21 32 37 71 85 117 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1 next-pointer down-pointer find(117), find(118)

Inserting new element X ,[object Object],[object Object],[object Object],7 14 21 32 37 71 85 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1 next-pointer Down-pointer 119 119

Inserting an element - cont. ,[object Object],[object Object],7 14 21 32 37 71 85 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1 119 119 119 119 1 - 1

Determining k ,[object Object],[object Object],[object Object],[object Object]

Deleteing a key x ,[object Object],[object Object],7 14 21 32 37 71 85 117 71 37 21 7 37 21 Level 1 Level 2 Level 3 Top - 1 - 1 - 1 1 1 1 next-pointer down-pointer delete(71)

Facts about SL ,[object Object],[object Object],[object Object],[object Object]

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