poj 3278 Catch That Cow 采用广度优先搜索实现-poj 3278 Catch That Cow using breadth-first search to achieve

上帝王牌 Descr iption 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 ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number

poj 3278 Catch That Cow采用广度优先搜索实现-poj 3278 Catch That Cow using breadth-first search to achieve