摘要：Sample Input0 30 0 305 35 5 350 20 0 207 27 7 270 10 0 109 19 9 190 0 0 0Sample Output135013501620162018901890 super simple等级 常量声明 R ： 一圈有多少个刻度（这里为40） 阅读全文

摘要：It's hard to construct a problem that's so easy that everyone will get it, yet still difficult enough to beworthy of some respect. Usually, we err on 阅读全文