瓜皮大哥:
博客地址:https://www.cnblogs.com/guapisolo/
瓜皮大哥:
博客地址:https://www.cnblogs.com/guapisolo/
bzoj 1014 [JSOI2008]火星人prefix (splay+二分答案+字符串hash)
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CF140E New Year Garland (计数问题)
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