this：表示当前的上下文对象是一个html对象，可以调用html对象所拥有的属性，方法$(this),代表的上下文对象是一个jquery的上下文对象，可以调用jquery的方法和属性值。each： jquery遍历函数，为每个匹配元素执行函数.可以遍历一维数组、多维数组、DOM, JSON等.fi...
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Web程序 时间：
2014-07-18 15:30:41
阅读次数：
235
Each else for which the choice of assocated if is ambiguous shall be associated with the nearest possible if that would otherwise hava no correspondin...
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其他好文 时间：
2014-07-18 14:25:57
阅读次数：
208
Dropping BallsA number of K balls are dropped one by one from the root of a fully binary tree structure FBT. Each time the ball being dropped first v....
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其他好文 时间：
2014-07-18 12:14:24
阅读次数：
202
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo...
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移动开发 时间：
2014-07-18 11:38:45
阅读次数：
228
写这个就是为了手写一份好用的求割点模板：
吐槽下，题目中的 Each of the next at most N lines contains the number of a place followed by the numbers of some places to which there is a direct line from this place. 这个at most是不可信的，应...
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其他好文 时间：
2014-07-18 11:29:34
阅读次数：
232
Description
Some of you may have played a game called 'Blocks'. There are n blocks in a row, each box has a color. Here is an example: Gold, Silver, Silver, Silver, Silver, Bronze, Bronze, Bronze, Go...
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其他好文 时间：
2014-07-18 11:23:05
阅读次数：
280
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2", "1", ...
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其他好文 时间：
2014-07-18 11:19:56
阅读次数：
210
Given a binary tree containing digits from 0-9 only,
each root-to-leaf path could represent a number.
An example is the root-to-leaf path 1->2->3 which represents
the number 123.
Find the to...
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其他好文 时间：
2014-07-18 11:13:57
阅读次数：
204
堆有两种: max-heap 和 min-heap. Max-heap 一般用来排序，Min-heap 用来实现 priority queue.max-heap的定义是：for each i: A[parent(i)] >= A[i]min-heap: for each i: A[parent(i)...
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其他好文 时间：
2014-07-18 10:23:12
阅读次数：
180
Double HappinessOn the math lesson a teacher asked each pupil to come up with his own lucky numbers. As a fan of number theory Peter chose prime numbe...
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移动开发 时间：
2014-07-18 00:12:12
阅读次数：
616
