PAT甲级 1001 A+B Format
摘要：
Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less tha 阅读全文
posted @ 2018-10-20 21:47 躺好了！ 阅读(136) 评论(0) 推荐(0) 编辑