2017年6月18日
CodeForces #419（div2）C. Karen and Game
摘要： On the way to school, Karen became fixated on the puzzle game on her phone! The game is played as follows. In each level, you have a grid with n rows 阅读全文
posted @ 2017-06-18 11:00 诚信肥宅 阅读(296) 评论(0) 推荐(0) 编辑