摘要: 考虑一张图,如下建边: \(h_i<h_{i+1}\):\((i,0)\to (i+1,0)\) \(h_i>h_{i+1}\):\((i,1)\to (i+1,1)\) \(h_i+h_{i+1}<L\):\((i,0)\to (i+1,1)\) \(h_i+h_{i+1}>L\):\((i,1) 阅读全文
posted @ 2024-02-06 22:55 cnyz 阅读(21) 评论(0) 推荐(0) 编辑