*Problem 1618 - Contest 8B-2 squares1 [#e51776ed] [[prev>Problem 1617]] | [[next>Problem 1619]] #get_img(1618) #br |Author|Limit|h |snuke|24| #br **関連 [#rb69064c] #br **コメント [#nb4b9f83] #pcomment(reply)