2018年12月20日
PTA (Advanced Level) 1016 Phone Bills
摘要： Phone Bills A long-distance telephone company charges its customers by the following rules: Making a long-distance call costs a certain amount per min 阅读全文
posted @ 2018-12-20 19:33 suvvm 阅读(408) 评论(0) 推荐(0) 编辑