计蒜客 Flashing Fluorescents(状压DP)
摘要:
You have nn lights, each with its own button, in a line. Pressing a light’s button will toggle that light’s state; if the light is on, it will turn of 阅读全文
posted @ 2019-08-04 23:29 大桃桃 阅读(310) 评论(0) 推荐(0) 编辑