DescriptionGiven an index k, return the kth row of the Pascal’s triangle. For example, given k = 3,Return [1,3,3,1]. The original problem is here. The original code is here.

DescriptionSay you have an array for which the i(th) element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete as many transactions as you like (

DescriptionFind the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [−2,1,−3,4,−1,2,1,−5,4],the contiguous subarray [4,−1,2

DescriptionThe original problem is here. The original code is here.

DescriptionThe original problem is here. The original code is here.

DescriptionGiven a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,2,4,5,7], return [“0->2”,”4->5”,”7”]. The original problem is here. The orig

DescriptionGiven a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. For example:Given the following binary tree,

DescriptionGiven two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. The o

DescriptionGiven two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. The o

DescriptionGiven numRows, generate the first numRows of Pascal’s triangle. For example, given numRows = 5,Return [ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1]] The original problem is here.