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PKU v. THU (Preliminary Round 2)
Total points: 100
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# 6689. $N^2$ 数码游戏
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The problem was used in the following contest:
IOI 2023 中国国家队集训@威海 Day 5
Upload a .zip file containing puzzle1.out, puzzle2.out, puzzle3.out, puzzle4.out, puzzle5.out, puzzle6.out, puzzle7.out, puzzle8.out, puzzle9.out, puzzle10.out:
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