摘要:
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth... 阅读全文
摘要:
Say you have an array for which the ith element is the price of a given stock on day i.Design an algorithm to find the maximum profit. You may complet... 阅读全文
摘要:
Say you have an array for which the ith element is the price of a given stock on day i.Design an algorithm to find the maximum profit. You may complet... 阅读全文
摘要:
Say you have an array for which the ith element is the price of a given stock on day i.If you were only permitted to complete at most one transaction ... 阅读全文