2017年11月2日
Kefa and Dishes CodeForces - 580D
摘要： When Kefa came to the restaurant and sat at a table, the waiter immediately brought him the menu. There were n dishes. Kefa knows that he needs exactl 阅读全文
posted @ 2017-11-02 23:55 天之道，利而不害 阅读(314) 评论(0) 推荐(0) 编辑