*Problem 1623 - Contest 8B-7 triangles [#qa519641] [[prev>Problem 1622]] | [[next>Problem 1624]] #get_img(1623) #br |Author|Limit|h |snuke|255| #br **関連 [#gd3a00e3] #br **コメント [#maf86b6e] #pcomment(reply)