Oyking

摘要： DescriptionThe Contortion Brothers are a famous set of circus clowns, known worldwide for their incredible ability to cram an unlimited number of them... 阅读全文

摘要： DescriptionGiven a connected undirected graph, tell if its minimum spanning tree is unique.Definition 1 (Spanning Tree): Consider a connected, undirected graph G = (V, E). A spanning tree of G is a subgraph of G, say T = (V', E'), with the following properties:1. V' = V.2. T is connected 阅读全文

摘要： DescriptionOnce in a forest, there lived N aggressive monkeys. At the beginning, they each does things in its own way and none of them knows each othe... 阅读全文

摘要： DescriptionWhen it comes to theMaya Civilization, we can quickly remind of a term called the end of the world. It's not difficult to understand why we choose to believe the prophecy (or we just assume it is true to entertain ourselves) if you know the other prophecies appeared in theMaya Calenda 阅读全文