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Shell Necklace 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5730 Description Perhaps the sea‘s definition of a shell is the pearl. However, in my v 阅读全文
posted @ 2016-07-31 16:27
femsub
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Filling 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5766 Description The board is a rectangle of unit cells with N rows and N columns. At first, c 阅读全文
posted @ 2016-07-31 00:51
femsub
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