2020年2月4日
121. Best Time to Buy and Sell Stock
摘要： Problem : 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 t 阅读全文
posted @ 2020-02-04 20:47 littledy 阅读(95) 评论(0) 推荐(0)
119. Pascal's Triangle II
摘要： Problem : Given a non negative index k where k ≤ 33, return the kth index row of the Pascal's triangle. Note that the row index starts from 0. In Pasc 阅读全文
posted @ 2020-02-04 20:05 littledy 阅读(82) 评论(0) 推荐(0)
118. Pascal's Triangle
摘要： Problem : Given a non negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the t 阅读全文
posted @ 2020-02-04 11:22 littledy 阅读(94) 评论(0) 推荐(0)
93. Restore IP Addresses
摘要： Problem : Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example: 思路 ： 首先弄清楚IP地址的定义。 Defin 阅读全文
posted @ 2020-02-04 10:37 littledy 阅读(90) 评论(0) 推荐(0)