677. Coloured Graphs

Let be the number of undirected graphs with nodes satisfying the following properties:

For example, , , and . You are also given that and .

Find .

677. 被染色的图

为有 个节点,且满足以下性质的无向图的个数:

已知:

之值。


这个链接 回到源站。

这个链接 回到详细版题目目录。