摘要: "传送门" 解法: 我们可以通过枚举判断点与点以及上下表面是否联通 并存入并查集 最后判断上下表面是否在同一集合中 代码: ~~~ include include include include include include include include define inf 200000000 阅读全文
posted @ 2019-06-07 13:30 zmy蒟蒻 阅读(150) 评论(0) 推荐(0)