抽水算法

http://www.cnblogs.com/HappyAngel/archive/2011/02/07/1949762.html

https://en.m.wikipedia.org/wiki/Reservoir_sampling

http://www.cnblogs.com/youxin/p/3348225.html

posted on 2017-04-08 00:57  暖风的风  阅读(261)  评论(0编辑  收藏  举报

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