【题目】
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 of the two subtrees of every node never differ by more than 1.
【题意】
判断二叉树是否是平衡二叉树
【思路】
平衡二...
分类:
其他好文 时间:
2014-06-20 11:02:54
阅读次数:
173
题目
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 of the two subtrees of every node...
分类:
其他好文 时间:
2014-06-20 09:02:56
阅读次数:
232
1、单行注释用:#2、多行注释用:=begin ...
=end3、语句分隔用;号4、空格在省略()的地方代替()号5、方法定义用:def
undef6、检查类型用:defined?7、变量:全局变量用$,实例变量用@(后面不能直接跟数字),类变量用@@8、输出:puts(每一个变量输出都加一个换行...
分类:
其他好文 时间:
2014-06-13 00:47:40
阅读次数:
301
my %h=%{foo()} #接收hashsub foo{ my %fh; $fh{a}=1;
return \%fh;
#返回hash引用}grep??在hash中,当检验一个元素值是否被定义是用defined,当检验一个key在hash中是否存在时,用exists。
分类:
其他好文 时间:
2014-06-11 09:40:45
阅读次数:
440
这是artDialog的框架问题,我已经用art.dialog.open(url,'','')实现了art.dialog打开一个iframe窗体的功能,后来苦苦实现不了关闭,网上千篇一律,只给出一句close代码,代码是没错,但是本人愚笨,久久不得要领,后来终于发现是引用artDialog文件版本的事。
关闭代码
art.dialog.open.origin;//获取当前打开ifram...
分类:
其他好文 时间:
2014-06-10 07:56:29
阅读次数:
217
问题描述:
The Fibonacci sequence is defined by the recurrence relation:
Fn = Fn1 + Fn2,
where F1 = 1 and F2 = 1.
Hence the first 12 terms will be:
F1 = 1
F2 = 1
F3 = 2
F4 = 3
F5 = 5
F6 = 8
...
分类:
其他好文 时间:
2014-06-10 06:10:06
阅读次数:
307
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:
2014-06-10 00:54:41
阅读次数:
313
一、自定义视图类继承View或者View的子类
All of the view classes defined in the Android framework extend View.
Your custom view can also extend Viewdirectly,
or you can save time by extending one of the exist...
分类:
移动开发 时间:
2014-06-08 10:11:27
阅读次数:
342
1>MSVCRT.lib(MSVCR100.dll) : error LNK2005: "public: virtual char const * __thiscall std::exception::what(void)const " (?what@exception@std@@UBEPBDXZ) already defined in libcmt.lib(stdexcpt.obj)
1>MS...
分类:
其他好文 时间:
2014-06-07 14:42:14
阅读次数:
947
Let d(n) be defined as the sum of proper divisors of n (numbers less than
n which divide evenly into n).
If d(a) = b and d(b) = a, where a
b, then a and b are an amicable pair and each of a and
b...
分类:
其他好文 时间:
2014-06-07 13:40:53
阅读次数:
226