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Description: This time no story, no theory. The examples below show you how to write function accum: Examples: accum("abcd"); // "A-Bb-Ccc-Dddd" accum 阅读全文
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Description: Write a function toWeirdCase (weirdcase in Ruby) that accepts a string, and returns the same string with all even indexed characters in e 阅读全文
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Description: Given two arrays of strings a1 and a2 return a sorted array r in lexicographical order of the strings of a1 which are substrings of strin 阅读全文
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题目： Create Phone Number Description: Write a function that accepts an array of 10 integers (between 0 and 9), that returns a string of those numbers i 阅读全文