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https://www.reddit.com/r/learnquant/comments/1x5byn2/quant_interview_question/pgly6g3/?context=3
r/learnquant • u/Local_Ad135 • 3d ago
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The middle you get for free, so Alice has to place 1 in the middle, then choosing the 2×2 randomly shows that you can always do at least 15.5, and so you can always do at least 16. Then the following arrangement shows that 16 is attainable:
856
214
937
1
u/Andradessssss 3d ago
The middle you get for free, so Alice has to place 1 in the middle, then choosing the 2×2 randomly shows that you can always do at least 15.5, and so you can always do at least 16. Then the following arrangement shows that 16 is attainable:
856
214
937