two comments...

來源: dynamic 於 2009-04-25 02:48:44 [] [舊帖] [給我悄悄話] 閱讀數 : (275 bytes)
本帖於 2009-04-30 07:14:03 時間, 由普通用戶 康MM 編輯
回答: 朋友們試試這個，不知道幾星 由 群眾丁 於 2009-04-22 09:04:08

1. the proof of claim 2 is correct but incomplete. the border grids need to be discussed separately.

2. the construction only works for n mod 4 = 1. If n mod 4 = 3, then the number of red grids in claim 2 and 3 are the same. let me think what to do in this case...

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• one more comment -dynamic- ♂ 給 dynamic 發送悄悄話 (1066 bytes) () 04/25/2009 postreply 03:02:49

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