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Overall Editorial

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A - Weather Forecast

• Official Editorial by en_translator

B - First Player

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C - Dentist Aoki

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D - Rotate

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E - Jumping Takahashi

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F - One More aab aba baa

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G - Tiling

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• A solution with bit operations by Kiri8128

H - Σ[k=0..10^100]floor(X／10^k)

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• User Editorial by Kiri8128

I - Usual Color Ball Problems

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