nunca

摘要： 一、题目 Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted 阅读全文

摘要： 一、题目 The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read off as "one 1" or 11.11 is read off as " 阅读全文