*[[Problem 1957 - usual problem>http://herbert.tealang.info/problem.php?id=1957]] [#t0457601] [[prev>Problem 1956]] | [[next>Problem 1958]] #get_img(1957) #br |Author|Limit|h |Ktya|35| #br **関連 [#p5645dcb] #br **コメント [#w5fa4247] #pcomment(reply)