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leetcode------Rotate Image
标题:Rotate Image通过率:31.7%难度:中等You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this...
分类:其他好文   时间:2015-03-07 17:02:41    阅读次数:128
leetcode------Minimum Path Sum
标题:Minimum Path Sum通过率:31.7%难度:中等Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of a...
分类:其他好文   时间:2015-03-06 11:17:38    阅读次数:103
leetcode------Unique Paths II
标题:Unique Paths II通过率:28%难度:中等Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be...
分类:其他好文   时间:2015-03-05 12:48:29    阅读次数:105
leetcode------Unique Paths
标题:Unique Paths通过率:32.6% 难度:中等A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move e...
分类:其他好文   时间:2015-03-05 12:46:15    阅读次数:125
leetcode------Binary Tree Preorder Traversal
标题:Binary Tree Preorder Traversal通过率:36.2%难度:中等Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#...
分类:其他好文   时间:2015-03-03 18:20:02    阅读次数:149
leetcode------Rotate Array
标题:Rotate Array通过率:18.4%难度:简单Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,...
分类:其他好文   时间:2015-03-03 18:13:25    阅读次数:127
leetcode------Binary Tree Postorder Traversal
标题:Binary Tree Postorder Traversal通过率:31.8%难度:难Given a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,...
分类:其他好文   时间:2015-03-03 18:06:00    阅读次数:93
leetcode------Binary Tree Inorder Traversal
标题:Binary Tree Inorder Traversal通过率:36.1%难度:中等Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2...
分类:其他好文   时间:2015-03-03 18:03:45    阅读次数:119
leetcode------Validate Binary Search Tree
标题Validate Binary Search Tree通过率21.9%难度中等Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:T...
分类:其他好文   时间:2015-02-25 12:52:41    阅读次数:144
【红帽RHEL7.0版RHCE考试经历】
2014年7月,为大力推广redhatEnterpriseLinux7操作系统,红帽将基RHCE认证由RHEL6转换到RHEL7上。面对新的软件功能、新认证课程内容,初期认证学员的考试通过率一直处于较低水平,为此红帽官方还专门举办培训机构的辅导班,致力于查找和发现培训课程方面的问题。同时,社会上的..
分类:其他好文   时间:2015-02-24 13:57:12    阅读次数:342
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