doesn't matter, because the first 3 is faster than last two.

来源: janeice65 于 2010-04-20 20:43:54 [] [旧帖] [给我悄悄话] 阅读数 : 0 (133 bytes)
回答: 答案是 由 Lily3 于 2010-04-20 20:01:13

five each group, pick the top 3 from each group, then put those 15 H to three groups and so on. still 11 as you got from your mathod.

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