摘要: poj3264 balanced lineup 题目描述 For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decide 阅读全文
posted @ 2018-07-16 16:59 东方的古文明 阅读(96) 评论(0) 推荐(0) 编辑