2019年3月12日
UVALive 6467 Strahler Order（拓扑序列）
摘要： In geology, a river system can be represented as a directed graph. Each river segment is an edge; with the edge pointing the same way the water flows. 阅读全文
posted @ 2019-03-12 20:37 王陸 阅读(437) 评论(0) 推荐(0) 编辑