Algorithm-and-Data-structure Array 1.MssingNumber 2.ArrayDiscussion 3.Permutation 4.TwoSum Recursion 1.DecimalToBinary 2.GCD 3.PowerOfNumber 4.SumOfDigit 4.RotateMatrix LinkedList 1.ImplemeentationOfSinglyLinkedList 2.ImplemeentationOfDoublyList