摘要: 题目如下: Given an array of strings arr. String s is a concatenation of a sub-sequence of arr which have unique characters. Return the maximum possible le 阅读全文
posted @ 2019-10-29 14:28 seyjs 阅读(638) 评论(0) 推荐(0)
摘要: 题目如下: Given a function f(x, y) and a value z, return all positive integer pairs x and y where f(x,y) == z. The function is constantly increasing, i.e. 阅读全文
posted @ 2019-10-29 14:21 seyjs 阅读(525) 评论(0) 推荐(0)