2017年9月3日
UVA - 1428 Ping pong
摘要： N (3 ≤ N ≤ 20000) ping pong players live along a west-east street(consider the street as a line segment). Each player has a unique skill rank. To impr 阅读全文
posted @ 2017-09-03 20:23 人间失格—太宰治 阅读(169) 评论(0) 推荐(1) 编辑