摘要:
题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocola 阅读全文
摘要:
题目描述 Little Leticija is preparing for a programming exam. Even though she has solved a lot of tasks, there’s one still left unsolved, so she is asking 阅读全文