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wrote:

show codeArray(16).join('wat' - 1) + ' Batman'

wrote:

OK. I've translated the (correctness) requirements of LeetCode No.22 to Lean, and ask Claude Code to both implement a solution and prove it.

continued:

In the first attempt, Opus 4.7 successfully completed it and proved it. However, the solution is to enumerate all possible space and .filter out anything that doesn't qualify my definition, which is obviously not ideal (if cheating is too harsh).

continued:

I can't think of a good way to also prevent that kind of solutions and ended up prompting "please don't enumerate and filter". Opus 4.7 then reimplemented and proved the backtracking algorithm.

wrote:

, will it possible, on mobile, to be able to tap on “cards”. That is, make the posts area “tapable”.

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