HDU 2609 How many (字符串最小字典序+set去重)
题目链接
Give you n ( n < 10000) necklaces ,the length of necklace will not large than 100,tell me
How many kinds of necklaces total have.(if two necklaces can equal by rotating ,we say the two neckl...
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2018-12-19 19:36:58 ·
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