2018年12月17日
LC 957. Prison Cells After N Days
摘要： There are 8 prison cells in a row, and each cell is either occupied or vacant. Each day, whether the cell is occupied or vacant changes according to t 阅读全文
posted @ 2018-12-17 23:58 yuxihong 阅读(324) 评论(0) 推荐(0) 编辑