So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples:

x = [2 2 3 4 3 4 6 9 9]
y = [1 1 0 0 0 0 0 1 1]

or

x = [2 2 2 2 2 9]
y = [1 1 1 1 1 0]

Have fun!

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Last Solution submitted on Apr 02, 2026

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minnolina Pauli Huusari Riccardo G. Lorenzo

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