How to Convert Set to Vector in C++?
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> …
Algorithms to Check If Four Points can Make a Valid Square (C++ and Java)?
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 …
Python: Understanding the Importance of EigenValues and EigenVectors!
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 …
How to Compute Kth Largest Element in a Stream?
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. …
How to Flip Equivalent Binary Trees?
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 …
How to Implement Quicksort Algorithm in Python – the Pythonic Way
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 …