# Category Archives: Recursion

Given a 2D screen arr[][] where each arr[i][j] is an integer representing the color of that pixel, also given the location of a pixel (X,â€¦ Read More
Prerequisites:- Morris Inorder Traversal, Tree Traversals (Inorder, Preorder and Postorder)Given a Binary Tree, the task is to print the elements in post order using O(N)â€¦ Read More
Given a numeric string S representing a large number, the task is to form a Fibonacci Sequence of at least length 3 from the givenâ€¦ Read More
Given an integer N greater than 2, the task is to find an element M such that GCD(N, M) is maximum. Examples: Input: N =â€¦ Read More
Given a number N, we need to find the Fibonacci Series up to the N term. The Fibonacci series is a series of elements where,â€¦ Read More
Given a binary tree, the task is to find the total count of set bits in the node values of all the root to leafâ€¦ Read More
Given a weighted, directed graph G, an array V[] consisting of vertices, the task is to find the Minimum Cost Path passing through all theâ€¦ Read More
Given an integer N, which denotes the size of the matrix that is N*N. There is a robot placed over the top-left corner (0, 0)â€¦ Read More
Given a decimal number as N, the task is to convert N into an equivalent irreducible fraction. An irreducible fraction is a fraction in whichâ€¦ Read More
Given a binary tree and a value K, the task is to check if every node of the binary tree has either the value ofâ€¦ Read More
Given binary string str, the task is to check whether the given string follows the below condition or not:   String starts with a ‘1’. Eachâ€¦ Read More
Given an undirected graph defined by the number of vertex V and the edges E[ ], the task is to find Maximal Independent Vertex Setâ€¦ Read More
Given a string str and two characters X and Y, the task is to write a recursive function to replace all occurrences of character Xâ€¦ Read More
Given a Binary Tree, the task is to find the maximum value of Bitwise AND from any path from the root node to the leafâ€¦ Read More
Given a binary tree, the task is to find the absolute difference between the even valued and the odd valued nodes in a binary tree.â€¦ Read More