回复：写了个程序跑出来了

来源: guest007 于 2010-02-09 07:08:25 [] [旧帖] [给我悄悄话] 阅读数 : (338 bytes)
回答: expert level - hard and time consuming 由 guest007 于 2010-02-06 04:43:12

that's my choice of approach as well - i didn't run the program though. because the fun part is done and what left is just the time-consuming part...

the fun part is completed with two correct answers by Gao Shous. for most people who is new to this kind of problem, it is already fun enough to check these answers. :)

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