智多

题目描述：Given an array and a value, remove all instances of that > value in place and return the new length.The order of elements can be changed. It doesn’t matter what you leave beyond the new length.输入例

题目描述： Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the array is non-empty and the majority ele

题目描述： Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example:1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB 解题思路：根据规律，能看到是以26为循环的，类似于26循环制，所以，只需

题目描述： The count-and-say sequence is the sequence of integers with the first five terms as following: 1. 1 2. 11 3. 21 4. 1211 5. 111221 1 is read off as “one 1” or 11. 11 is r