Implement a data structure with the following methods: SlidingWindowProduct() constructs a new instance. add(int num) adds the number num to the data structure. product(int k) returns the product of …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return its maximum depth. A binary tree’s maximum depth is the number of …
Given a binary tree root, return the sum of all values in the tree. Constraints n ≤ 100,000 where n is the number of nodes in root Algorithm to …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s of words delimited by spaces, reverse the order of words. Constraints n ≤ 100,000 where n …
Given a list of positive integers nums and an integer k, return the number of subsets in the list that sum up to k. Mod the result by 10 …
Before investing in cryptocurrencies you must be aware that your investment can go and down as cryptocurrencies are more commodity like than true currency. Taking Bitcoin as an example, …