I asked a similar question in an interview.
本文内容已被 [ 乱弹 ] 在 2009-06-09 09:31:02 编辑过。如有问题,请报告版主或论坛管理删除.
I guess you want to relax the condition that every number appears at least once to avoid Haha's hack. :-) And the question is to find one repeated number.
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you are definitely right... I need to fix it :)
-dynamic-
♂
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05/18/2009 postreply
10:48:03