阿里巴巴 南京 B卷:http://www.mianwww.com/html/2012/04/15482.html 部分答案:http://www.cnblogs.com/jerry19880126/archive/2012/08/05/2623975.html
C语言运算符优先级http://www.slyar.com/blog/c-operator-priority.html
short 和byte强制类型转换http://www.cnblogs.com/sara-gcj/p/3316648.html
字典树:http://baike.baidu.com/view/2759664.htm?from_id=517527&type=syn&fromtitle=Trie%E6%A0%91&fr=aladdin
vector 的使用:http://www.cnblogs.com/caoshenghe/archive/2010/01/31/1660399.html
百度面试题:http://blog.youkuaiyun.com/hackbuteer1/article/details/7348968
华为上机:http://blog.youkuaiyun.com/net_assassin/article/details/11660869
hash_set:http://blog.youkuaiyun.com/morewindows/article/details/7330323
海量数据: http://blog.youkuaiyun.com/tianmohust/article/details/7061817
海量数据处理:http://blog.youkuaiyun.com/v_july_v/article/details/7382693