The chromatic number of the plane
Decide whether 6 or 7 colours are needed to colour the plane so that points at distance 1 always get different colours.
Issue
疑问、子问题和求助。把大问题拆成子 Issue;从任何一个 Issue 都能开出路线。
没有开放的 Issue
Issue 用来放疑问、子问题和求助。
Decide whether 6 or 7 colours are needed to colour the plane so that points at distance 1 always get different colours.
疑问、子问题和求助。把大问题拆成子 Issue;从任何一个 Issue 都能开出路线。
Issue 用来放疑问、子问题和求助。