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Hi Lisa-Has-Ideas, I enjoyed doing your puzzle, but even if my code passes all the tests in the IDE, it fails at validators 3 and 4 after submission.
I cannot find what’s wrong with my code. How can I fix this without seeing the validators 3 and 4 ?
Thanks for playing my puzzle and thanks for the feedback.
Sorry for the trouble.
Do you want to send me your code, and I’ll have a look
I could send you one of those Validators.
It’s a challenge to solve this puzzle in O(1) space somplexity. Need some mathematical tricks to judge whether line x is a bookcase (horizontal platform) or not.