一.最大深度问题 描述: Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. For example:Given binary tree [3,9,20,null,null,15,7], 3 / \ 9 20 / \ 15 7 re…
To the Max Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 43241 Accepted: 22934 Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located wi…
SQL Server 2005 联机丛书 中文相关说明 1.在 Microsoft SQL Server 的未来版本中将删除 ntext.text 和 image 数据类型.请避免在新开发工作中使用这些数据类型,并考虑修改当前使用这些数据类型的应用程序.请改用 nvarchar(max).varchar(max) 和 varbinary(max).有关详细信息,请参阅 使用大值数据类型. 2.当 sp_tableoption 存储过程的 'large value types out of row…
MAX Average Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7639 Accepted Submission(s): 1667 Problem Description Consider a simple sequence which only contains positive integers as a…