2020年5月2日
Reverse order pairs
摘要： In a sequence of numbers,we can find some number pairs that conform to the rule below: Assuming that there exist two numbers,N and M and it's position 阅读全文
posted @ 2020-05-02 17:49 lym1124 阅读(177) 评论(0) 推荐(0)
Find places for two queens
摘要： One day,Li Lei and Han Mei Mei are playing together. Li Lei says:"Oh~,Dear Mei Mei,Let's play a game,would you like to try?" Mei Mei says:"Oh~,I'd lik 阅读全文
posted @ 2020-05-02 09:52 lym1124 阅读(164) 评论(0) 推荐(0)