2021年4月3日
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 @ 2021-04-03 15:42 chenyuan# 阅读(38) 评论(0) 推荐(0) 编辑