摘要： 题目描述： Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the las 阅读全文

摘要： 题目描述： Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4 阅读全文