回复：How about ( (A+B) - abs(A-B) ) / 2 ?

来源: sub101 于 2008-02-13 13:00:50 [] [旧帖] [给我悄悄话] 阅读数 : 0 (71 bytes)
回答: solution to min and max in a big array 由 sub101 于 2008-02-13 11:59:18

min is not ( (A+B) - abs(A-B) ) / 2. therefore, the algorithm is wrong.

所有跟帖： 

• Why? 咱咋没找到反例？ -techy- ♀ 给 techy 发送悄悄话 (0 bytes) () 02/13/2008 postreply 14:47:22

• 回复：(5+2)/2=3 -sub101- ♂ 给 sub101 发送悄悄话 (38 bytes) () 02/13/2008 postreply 14:53:55

• 可咱把你的除2移到最后了，加减出来的肯定是偶数 -techy- ♀ 给 techy 发送悄悄话 (86 bytes) () 02/13/2008 postreply 15:04:31

• 回复：You are absolutely right! -sub101- ♂ 给 sub101 发送悄悄话 (0 bytes) () 02/13/2008 postreply 15:08:07

• ZT: You are absolutely right! -戏雨飞鹰- ♀ 给 戏雨飞鹰 发送悄悄话 (0 bytes) () 02/13/2008 postreply 16:48:05

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