Let’s say our task is to convert a set or unordered_set in C++ to std::vector, what would you do? Given the following set with integers (or other types) unordered_set<int> …
Given the coordinates of four points in 2D space, return whether the four points could construct a square. The coordinate (x,y) of a point is represented by an integer …
First of all EigenValues and EigenVectors are part of Linear Algebra. The branch of Mathematics which deals with linear equations, matrices, and vectors. The prime focus of the branch …
Design a class to find the kth largest element in a stream. Note that it is the kth largest element in the sorted order, not the kth distinct element. …
For a binary tree T, we can define a flip operation as follows: choose any node, and swap the left and right child subtrees. A binary tree X is …
In here, we talk about the implementation of QuickSort in Python – the well-known and standard sorting algorithm that is used today. It is not so easy to implement …