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1 parent 678664f commit 0a8b31aCopy full SHA for 0a8b31a
algorithm/index.rst
@@ -3,6 +3,8 @@
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==================
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.. toctree::
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+ :glob:
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+ :maxdepth: 1
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- segment_tree
- trie_tree
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+ segment_tree
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+ trie_tree
algorithm/trie_tree.rst
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================
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-trie tree
+字典树 trie tree
+
+Trie树,即字典树,又称单词查找树或键树,是一种树形结构,是一种哈希树的变种。典型应用是用于统计和排序大量的字符串(但不仅限于字符串),所以经常被搜索引擎系统用于文本词频统计。它的优点是:最大限度地减少无谓的字符串比较,查询效率比哈希表高。
+资料:
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+http://blog.csdn.net/v_july_v/article/details/6897097
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+http://dongxicheng.org/structure/trietree/
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