*Problem 1615 - Contest 8A-5 squares2 [#z92b0de3] [[prev>Problem 1614]] | [[next>Problem 1616]] #get_img(1615) #br |Author|Limit|h |snuke|32| #br **関連 [#r3937f39] #br **コメント [#t425f729] #pcomment(reply)