2019年11月17日
TZOJ 4471: Postman FJ （二分+bfs）
摘要： 描述 FJ now is a postman of a small town in the hills. The town can be represented by a N×N matrix. Each field is represented with:-'K' character: a hou 阅读全文
posted @ 2019-11-17 18:24 zdragon 阅读(310) 评论(0) 推荐(0) 编辑