【POJ】[1751]Highways【POJ】[1789]Truck History【POJ】[1852]Ants【POJ】[1985]Cow Marathon【POJ】[1995]Raising Modulo Numbers【POJ】[2031]Building a Space Station【POJ】[2236]Wireless Network【POJ】[2251]Dungeon Master【POJ】[2349]Arctic Network【POJ】[2367]Genealogical tree«««3233343536»»»