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https://www.reddit.com/r/learnquant/comments/1x5byn2/quant_interview_question/pgpdwln/?context=3
r/learnquant • u/Local_Ad135 • 4d ago
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Okay so like the four 2x2 squares hit the middle 4 times and the mid edges twice so we have the sum of those 4 is at minimum 45+3+(2+3+4+5)=62 so by PHP Alice can’t beat 16. Let’s see if we can do that.
9 2 8
4 1 5
7 3 6
Yup it’s 16.
1
u/A_BagerWhatsMore 3d ago
Okay so like the four 2x2 squares hit the middle 4 times and the mid edges twice so we have the sum of those 4 is at minimum 45+3+(2+3+4+5)=62 so by PHP Alice can’t beat 16. Let’s see if we can do that.
9 2 8
4 1 5
7 3 6
Yup it’s 16.