Matrix: Given a matrix, check if it is skew symmetric or not
Problem Statement: A matrix is called as skew symmetric matrix , whose transpose is negative of the original matrix. i.e if the entry in ith…
Matrix: Given a matrix, print the boundary elements
Problem Statement: You are given a matrix mat[m][n]. You need to print the boundary elements in clockwise, starting from top left element.…
Matrix: Check if the matrix is Bisymmetric matrix or not
Problem Statement: You are given a matrix, you need to check if the matrix is Bi-symmetric matrix or not. A square matrix is considered as…
Queue: Maximum of all subarrays of size K
Problem Statement: You are given an array, and integer k. You need to find the max value for each contiguous sub array of size k. Output…
Queue: Reverse a stack using queue
Problem Statement: You are given a stack, reverse the stack using queue Example: Input: s = [1, 2, 3, 4] Output q = [4, 3, 2, 1] Solution…
Queue: Given 2 sorted arrays, you need to merge them using priority queue
Problem Statement: You are given 2 sorted arrays, you need to merge them by using priority Queue Example: Input: a = [1, 2, 3] b = [4, 5, 6]…
Queue: Given a queue, check if queue can be sorted using stack
Problem Statement: Given a queue that has first n natural numbers. You need to check if the queue can be sorted in ascending order using…
Queue: Given a queue, interleave first half of the queue with second half
Problem Statement: You are given a queue of even size. You need to re arrange the queue by interleaving its firt half with second half.…
Queue: Implement queue using stacks
Problem Statement: You need to implement queue using 2 stacks. Solution Explanation: we will use 2 stacks. Below are the operations on how we…
Queue: Implement dequeue using doubly linked list
Problem Statement: Dequeue is a double ended queue. It will allow for adding and removing elements from both front and rear end of the queue.…