Category: learn to code
Given an array of string that is in the format of “count domain”, count the subdomain visits. For example, input the output is – could be in any order. …
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 …
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 …
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 …
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Allocate a string and assign input string to it. Change uppercase letters to …