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# 4473. 无处安放
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The problem was used in the following contests:
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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