摘要: 3602 Counting Swaps 0x30「数学知识」例题 背景 https://ipsc.ksp.sk/2016/real/problems/c.html Just like yesterday (in problem U of the practice session), Bob is b 阅读全文
posted @ 2018-06-16 20:30 lmjer 阅读(372) 评论(0) 推荐(0) 编辑