*[[Problem 1889 - Windmill 15>http://herbert.tealang.info/problem.php?id=1889]] [#t0457601] [[prev>Problem 1888]] | [[next>Problem 1890]] #get_img(1889) #br |Author|Limit|h |Ktya|45| #br **関連 [#p5645dcb] #br **コメント [#w5fa4247] #pcomment(reply)