C. Beautiful Numbers
摘要：
C. Beautiful Numbers Problem Description Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if th 阅读全文
posted @ 2015-09-28 20:22 hnust_accqx 阅读(832) 评论(0) 推荐(0) 编辑
