题目链接 Catch That Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 120702 Accepted: 37665 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 ≤ 100,000) on a number line and the cow is at a point K ...