摘要：
1.题目描述 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 tran 阅读全文
摘要：
1.题目描述 Given 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 阅读全文