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I agree with you. A and B are stacks not arrays and we can’t pop and push back. Decision is based only on 4 numbers - running sum, limit and top elements of A and B. Take minimum.
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Game of Two Stacks
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I agree with you. A and B are stacks not arrays and we can’t pop and push back. Decision is based only on 4 numbers - running sum, limit and top elements of A and B. Take minimum.