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10 lines
104 B
10 lines
104 B
2 years ago
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1
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5 5
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1 2 3 4 5
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1 1 5
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2 1 5
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0 3 5 3
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1 1 5
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2 1 5
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http://acm.hdu.edu.cn/showproblem.php?pid=5306
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