Integer to English Words
Convert a non-negative integer to its english words representation.
#面试刷题
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Largest Number
Given a list of non negative integers, arrange them such that they form the largest number.
Length of Last Word
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of l
Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent.
Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.
Longest Consecutive Sequence
Get the length of the longest consecutive elements sequence in an array.