档案日期2014的51

题目描述：

Related to question Excel Sheet Column Title

Given a column title as appear in an Excel sheet, return its corresponding column number.

For example:

    A -> 1
    B -> 2
    C -> 3
    ...
    Z -> 26
    AA -> 27 ...

明天就是圣诞节，分享一个好玩的jQuery插件——JQuery-Snowfall Plugin，该插件可以实现在页面上飘落雪花的特效。

JQuery-Snowfall插件的github项目地址：https://github.com/loktar00/JQuery-Snowfall/

调用插件的方式很简单，首先，需要在页面上添加对js源文件snowfall.jquery.js的引用：

<script type="text/javascript" src="https://raw.githubusercontent.com/loktar00/JQuery-Snowfall/master/src/snowfall.jquery.js"></script>

然后使用插件的缺省方式开启雪花特效：

$(document).snowfall();

此外，该插件还支持下列参数设置：

flakeCount,
flakeColor ...

题目描述：

Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.

You may assume that the array is non-empty and the majority element always exist ...