摘要：Mayor's posters Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their 阅读全文

摘要：Problem Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N  阅读全文

摘要：Problem Description You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not 阅读全文