2019年10月18日
UPC13522 Favourite Number
摘要： Favourite Number 题目描述 Volodymyr’s favourite number is A and it has an odd number of positive divisors. When you add K to this number, the resulting su 阅读全文
posted @ 2019-10-18 12:46 柳清浅 阅读(565) 评论(0) 推荐(1)