2013年12月24日

select m objects from n objects randomly

摘要： Q: how to select m objects randomly from n objects with euqal possibility?A: allocate an array of m elements to keep the final result. put the first m... 阅读全文

posted @ 2013-12-24 21:57 Torstan 阅读(325) 评论(0) 推荐(0)

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