Score not many 20 already trying to please everybody

CodePudding user response:

Before a response is called the administrator to delete, I also don't know what the administrator of the so-called standard is a

We just told him it was a map coloring problem, 4 belong to basic math problem of color, 6 color problem can solve, to baidu library, although want to charge, but he's solution (how we give baidu library, not to CSDN library, administrator you have opinions?? )

I still give baidu encyclopedia you delete or not delete

https://baike.baidu.com/item/%E5%9B%BE%E7%9D%80%E8%89%B2%E9%97%AE%E9%A2%98/8928655? Fr=Aladdin

Ps: this is not a map problem in theory, it is graph theory problem, if you don't want to study algorithm, we can directly use net4j structure diagram, and then in a Coloring algorithm to find calculate K - 1

https://neo4j.com/docs/graph-data-science/current/algorithms/k1coloring/