2017年4月10日
Paint the Grid Again （隐藏建图+优先队列+拓扑排序）
摘要： Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo has a magical brush which can paint an 阅读全文
posted @ 2017-04-10 20:24 勿忘初心0924 阅读(459) 评论(0) 推荐(0) 编辑