2019年3月26日
POJ2456Aggressive cows-（二分判定）
摘要： Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,... 阅读全文
posted @ 2019-03-26 00:13 守林鸟 阅读(177) 评论(0) 推荐(0) 编辑