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Red Black tree is self-balanced binary search tree with color information. The Red-Black tree nodes can be either red or black. The color ensures tree balance. The root node and all leaves node set with black color. When inserting new item in the red-black tree, the tree balanced based on these properties. The search operation similar to the binary search tree.

A binary search tree is a binary tree (contains only two nodes). The left subtree node data value is less than or equal to parent node data value and right subtree node data value is greater than or equal to parent node data value.

Binomial coefficients are a family of positive integers that occur as coefficients in the binomial theorem. The binomial coefficients can be calculated recursively.

A palindromic number is a number that remains the same when its digits are reversed.

Write a program to print all the possible combination of given string.

Binary search is a method to find the particular item in the sorted array. In each step, the algorithm divides the array equally and match the middle item. If the key match, return the index. If the key is less than the middle element, search left subarray. Else search right subarray.

Linear search is a method to find a particular item in an array. It start to check each item and compare with search item until it finds. The linear search performs non-sorted items in the array.

Count the number of elements in a singly linked list

Tower Of Hanoi is a mathematical game. It consists of three rods and disks with different size (small, medium and large). The objective of the puzzle is to move the entire stack to another rod.

Fisher–Yates shuffle is an algorithm for generating a random set. The Fisher–Yates shuffle is quite efficient. Shuffling an array randomizes its element order.