Coding
WinAppDriver v/s Ranorex
Hello , I am currently deciding between WinAppDriver or Ranorex to build a test automation suite for a complex desktop app which has a fair share of winforms and WPF elements. The company I am Read more…
c++
Construction of an expression tree
Construct an expression tree from a given postfix notation and print the infix notation. The binary expression tree is a binary tree whose leaves are operands, such as constants or variable names, and the other Read more…
c++
Find pair with given sum in a circularly sorted array
Given a circularly sorted array of integers, find a pair with a given sum. Assume there are no duplicates in the array, and the rotation is in an anti-clockwise direction around an unknown pivot. For Read more…
c++
Check whether leaf traversal of given binary trees is same or not
Given two binary trees, check whether the leaf traversals of both trees are the same or not. For example, the leaf traversals of the following binary trees are 4, 5, 6. A simple solution is Read more…
Coding
Given a list of numbers, find the best sum of x of them without exceeding limit y
Hello, I am working on a problem that would like for me to return the best sum of x numbers given a list of them, without exceeding a limit. The subset is a variable, so Read more…
c++
Find Intersection Point of two Linked Lists
Given two linked lists, where the tail of the second list points to a node in the first list, find the node where both lists intersect. Consider the following linked lists where the second list’s Read more…
c++
Connect n ropes with minimal cost
Given n ropes of different lengths, connect them into a single rope with minimum cost. Assume that the cost to connect two ropes is the same as the sum of their lengths. For example, The Read more…
c++
Print complete binary search tree in increasing order
Given a level order representation of a complete binary search tree, print its elements in increasing order. For example, the level order representation of the complete BST below is [15, 10, 20, 8, 12, 18, Read more…
c++
Find shortest unique prefix for every word in an array
Given an array of words where no word is the prefix of another, find the shortest unique prefix to identify each word in the array uniquely. For example, The idea is to construct a Trie Read more…
Coding
Is it possible for a PHP course to be "version-agnostic"?
This is a follow-up to this post. I’ve decided that paying a few pounds for a Udemy course is looking like the best way forward for me, as it’s a balance between the inadequate free Read more…