摘要：
There are two ways to conduct BFS on tree.Solution 1 -- Given levelUse recursion to find given level, and print./*Function to print level order traver... 阅读全文
摘要：
QuestionFind thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.Fo... 阅读全文
摘要：
QuestionMergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.Solution 1 -- Merge SortWe can follow the meth... 阅读全文
摘要：
QuestionThere are two sorted arraysnums1andnums2of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexit... 阅读全文
摘要：
QuestionGiven a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.For example, given the follow... 阅读全文
摘要：
QuestionSay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may co... 阅读全文
摘要：
QuestionSay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may co... 阅读全文
摘要：
QuestionSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transac... 阅读全文
摘要：
QuestionGiven a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given... 阅读全文
摘要：
QuestionGivenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your program should return a... 阅读全文