看到gpt降智的帖子测试了下

我也差不多，但是没换IP。第二次是考了两分多钟才正确。

不用了，我机房家宽第一次都答不对，这往哪说理去

@juvenile1024 #2 我用的是机房IP我没有家宽

机房IP

家宽 已思考 2m 15s 回答 17

Assuming the 10 black nodes are real tree nodes and NIL leaves are not counted, the maximum possible number of red nodes is:

20 red nodes

Reason: in a red-black tree, a red node cannot have a red child, so red nodes can only appear as children of black nodes. Each black node has at most two children, so each black node can contribute at most 2 red children.

With 10 black nodes:

\text{max red nodes} = 2 \times 10 = 20

This maximum is attainable: arrange the 10 black nodes so that every black node has two red children, and the black-height condition is preserved by using NIL leaves appropriately.

So the answer is 20.

我是 Frontier 家宽，第一次在 GPT里面用的 5.5 auto 回答1023,换成 Thinking 让他仔细思考之后答对了。