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Re: [问题] IMO 2012 in Argentina Day 2

楼主: hahaj6u4503 (风云。月)   2012-07-12 16:48:30
6. Determine all positive integers n for which there exist non-negative
integers a_1, a_2, ...,a_n such that:
1 1 1 1 2 n
作者: myflame (原來隱起來了)   2012-07-12 18:17:00
推没有第六题的感觉...等待强者解Q3 !
作者: darkseer   2012-07-12 20:48:00
nice 干净多了 虽然也可以拉哩啦扎的硬估计后乱调一气...
作者: Dawsen (好友名单不见了啦...)   2012-07-14 05:18:00
妙解！另外一种构造法 http://tinyurl.com/7absn5d
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