摘要:
As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Correct 阅读全文
摘要:
Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a numb 阅读全文
摘要:
Problem Description In China, foreign brand commodities are often much more expensive than abroad. The main reason is that we Chinese people tend to t 阅读全文