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题目：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.

题目：Given a sorted array, remove the duplicates in place such that > each element appear only onceand return the new length.Do not allocate extra space for another array, you must do this in plac

题目：Given numRows, generate the first numRows of Pascal's triangle.For example, given numRows = 5, Return[[1],[1,1],[1,2,1],[1,3,3,1],[1,4,6,4,1]]要得到一个帕斯卡三角，我们只需要找到规律即可。第k层有k个元素每层

题目：Given two sorted integer arrays A and B, merge B into A as one sorted array.Note: You may assume that A has enough space (size that is greater or equal to m + n) to holdadditional elements fr