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PKU v. THU (Preliminary Round 2)
Total points: 100
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# 4473. 无处安放
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The problem was used in the following contest:
IOI 2019 中国国家队选拔 第一试 (CTS 2019 Day 1)
Upload a .zip file containing nowhere1.ans, nowhere2.ans, nowhere3.ans, nowhere4.ans, nowhere5.ans, nowhere6.ans, nowhere7.ans, nowhere8.ans, nowhere9.ans, nowhere10.ans:
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