- Thoughts.
- Think only about the difference D=A-B since all you care about is the final score difference
- If the back hand does not interfere, the first player wants to take ceil(N/2) pieces from the larger side of D.
- The back hand naturally gets in the way. The biggest hindrance to the first hand is the biggest D
- Therefore, the correct answer is the one taken alternately from the one with the largest D.
- Official Explanation
- careless mistake
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D=A-B
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- The difference between those scores would be A+B.
- careless mistake
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