Valid Sudoku - Leetcode 36

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#coding #leetcode #python
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You're lapping LC problems into shorts now? Fucking legend...LAPPIN

dumbfailurekms
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Would be much faster to use an array rather than a hash set - but conceptually the set is the API we actually want, I suppose

NateLevin
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Do it without hashing and recursion. I'll hire you

rishabhshenoy
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I think there is another property a sudoku have to comply.
You can't have the same number besides or on top of each other.

I remember when my school asked us to do this. Good experience.

asagiai
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I feel sleepy whenever I come across your short

No offence!😊

rithvik_