## Rearrange the Array of Given Range N, such that A[i]=i

Algorithms – Rearrange the Array of Given Range N, such that A[i]=i. Objective: Given a array of length N, in which elements are in the range of 1 to N. All elements may not...

Algorithms – Rearrange the Array of Given Range N, such that A[i]=i. Objective: Given a array of length N, in which elements are in the range of 1 to N. All elements may not...

Objective: – Given a binary tree with three pointers left, right and nextSibling). Write the program to provide the nextsibling pointers. This problem can also be referred as “Populating Next Right Pointers in Each...

Objective: – Given two binary trees check if they are mirror image of each other. Example: Approach:

Objective: – Given a binary tree and X, write an algorithm to Print all the paths starting from root so that sum of all the nodes in path equals to a given number. Example:

Objective: – Given a binary tree, write an algorithm to find the diameter of the tree. What is Diameter Of a Tree: Diameter of tree is defined as A longest path or route between...

Objective: – Given a binary tree, write an algorithm to Find the deepest node in it. Approach: Take two global variable as “deepestlevel” and “value“. starting with level=0, Do the inorder traversal and whenever...

Objective: – Find the Height of a tree without Recursion. In our earlier post “Height of tree” we had used recursion to find it. In this post we will see how to find it...

Objective: Given a binary tree, print all nodes will are full nodes. Full Nodes: Nodes Which has both the children, left and right are called Full Nodes Approach: quite simple Solution. Do the any...

Objective: Given a sorted array of distinct integers, Find the Magic index or Fixed point in the array. Magic Index or Fixed Point: Magic index or a Fixed point in an array is an...

Objective: Given a range of integers, find all the numbers which are palindrome when they are represented in Decimal Value( base 10) and in Octal value(base 8). Example : Number : 373 (Decimal) and...

Objective: Write an algorithm to Print All the Well Ordered Permutations of a Given String. What is Well Ordered String: When all the alphabets in a string occur in the increasing order irrespective of...

Objective: Given an integer array A[1..n], find an instance of i,j,k where 0 < i < j < k <= n and A[i] < A[j] < A[k]. Example : int arrA[] = { 10,...

Objective: Given a set of numbers, print all the posssible subsets of it including empty set. Power Set: In mathematics, PowerSet of any given set S, PS(S) is set of all subsets of S...

Objective: Find the Angle between hour hand and minute hand at the given time. Example: Time : 12:45 Input : hour = 12, Minute = 45 Output : 112.5 Time : 3:30 Input :...

Objective: Given an array of integers of size N, print all the subsets of size k. (k<=N) Example: Generate all subsets of a fixed size k of a given set [1,2,3…n]. e.g, if n=5...

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