Editorial
Japanese Editorial
Overall Editorial
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A - Shuffle and GCD
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B - Cross Laser Beam
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C - Nim is Time-consuming
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D - Balance
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E - Parallel Swapping
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F - K inversions
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G - K flipping
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H - Digit Slot
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I - Which must be deleted?
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J - Divide and Sort
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K - Grid Coloring
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L - Small RPS Tournament
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M - Minimize XOR by Redistribution
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N - 01 String Game
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O - Move to Rest
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