2017年4月5日
牛券
摘要： 题目描述 Farmer John needs new cows! There are N cows for sale (1 <= N <= 50,000), and FJ has to spend no more than his budget of M units of money (1 <= M 阅读全文
posted @ 2017-04-05 14:51 浪矢-CL 阅读(254) 评论(0) 推荐(0) 编辑