How to Transpose a 2D Matrix?
Given a 2D Matrix, return the transpose of it. The transpose of a matrix is the matrix flipped over it’s main diagonal, switching the row and column indices of …
VPS Tool/API Server Upgraded to Four Cores!
Recently I have observed a slightly increase of CPU usage (and quite frequent cpu spikes) on one of my API server, which is used to host Steem Tools/APIs and …
How to Create 2, 3 (or Multi) Dimensional Arrays in C/C++?
We often need to create multi-dimensional arrays. In C/C++, depending on the memory management, this can be categorised into static arrays and dynamic arrays. How to Create 2 or …
What Personal Data Might be Revealed While Surfing The Net
Whenever you go on the internet and interact with a website or an online service, you are unwittingly exchanging vast amounts of information. Even if you take some basic …
C/C++ Coding Exercise – Search in a Binary Search Tree
August 15, 2018
algorithms, c / c++, data structure, learn to code, leetcode online judge
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Given the root node of a binary search tree (BST) and a value. You need to find the node in the BST that the node’s value equals the given …
C++ Coding Exercise – How to Merge Two Binary Trees?
Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are …