C++ coding exercise | Algorithms, Blockchain and Cloud

The Cousins in Binary Tree

February 17, 2019 algorithms, c / c++, recursive No Comments

In a binary tree, the root node is at depth 0, and children of each depth k node are at depth k+1. Two nodes of a binary tree are …

February 15, 2019 algorithms, c / c++, simulation No Comments

At a lemonade stand, each lemonade costs $5. Customers are standing in a queue to buy from you, and order one at a time (in the order specified by …

February 10, 2019 algorithms, c / c++ No Comments

Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert the value into the BST. Return the root node …

January 27, 2019 algorithms, c / c++, recursive No Comments

Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of …

A kangaroo is at one side of the river. There are N springs in the river, each is separated 1 meter, like this: K| . . . . . …