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【leetcode】Balanced Binary Tree(middle)
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
分类:其他好文   时间:2015-05-06 15:01:56    阅读次数:84
【leetcode】Validate Binary Search Tree(middle)
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
分类:其他好文   时间:2015-05-06 14:40:34    阅读次数:97
【leetcode】Flatten Binary Tree to Linked List (middle)
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
分类:其他好文   时间:2015-05-06 13:09:34    阅读次数:88
快速排序(Java)
算法思想:通过设置一个岗哨,每次跟这个岗哨进行比较,比他小的放在左边,比他大的放在右边。再对岗哨左边的数组0----middle-1,和middle+1-----end,进行同样的排序。算法复杂度:快速排序时间复杂度为O(nlogn),由于是在原数组上面利用替换来实现,因此不需要额外的存储空间。核心...
分类:编程语言   时间:2015-05-04 22:02:04    阅读次数:152
【leetcode】Compare Version Numbers(middle)
Compare two version numbersversion1andversion2.Ifversion1>version2return 1, ifversion1 n2) return 1; if(n1 n2) return 1; else if(n1...
分类:其他好文   时间:2015-05-04 15:18:36    阅读次数:96
【leetcode】Binary Search Tree Iterator(middle)
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return the next...
分类:其他好文   时间:2015-05-04 13:27:57    阅读次数:115
【leetcode】Surrounded Regions(middle)☆
Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded region...
分类:其他好文   时间:2015-05-03 21:53:42    阅读次数:205
【leetcode】Evaluate Reverse Polish Notation(middle)
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:其他好文   时间:2015-05-03 20:22:13    阅读次数:155
Blender(V2.74)简单操作及快捷键
鼠标左键键:LMB(Left Mouse Button) 鼠标滚轮:MMB(Middle Mouse Button) 鼠标右键:RMB(Right Mouse Button) 组合键操作: 例如'G+Z',先按G,再按Z 通用操作: 删除:Delete/x 删除Delete视图操作前视图(Front...
分类:其他好文   时间:2015-05-02 13:38:38    阅读次数:532
纯css实现全兼容的元素水平垂直居中
对于图片在box内水平居中的问题,在项目中肯定是会经常碰到的。 这是我目前知道的几种解决方法 先贴出html代码 方法1:.boxBlock{width:200px;height:200px;vertical-align:middle;display:table-cell;backg...
分类:Web程序   时间:2015-04-30 17:58:14    阅读次数:145
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