摘要：
The city of Fishtopia can be imagined as a grid of 4 rows and an odd number of columns. It has two main villages; the first is located at the top left 阅读全文
摘要：
A necklace can be described as a string of links (' ') and pearls ('o'), with the last link or pearl connected to the first one. You can remove a link 阅读全文
摘要：
纯粹记录一下打cf中的学校Group的训练比赛的天数 w周d天 正式赛不记录 补题应该也不记录oㅅo 2020/5/5 最近都在做板刷集训题太多了不记录了，再记就烦了^^ 阅读全文