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SpellChecker can be designed using Ternary SearchTree. It works in 0(h) complexity. where h is height of tree. Ternary Search Tree works like trie data structure but with property of BST. In each node of Ternary Search Tree , there are 3 pointers unlike trie where there are 26 pointers for all character . This way it reduces space. One pointer is for words less than left pointer, middle pointer for values which are equal and Third pointer for values greater than right pointer value.
- vartika.1403 June 13, 2018Also leaf node 0 and 1 is for isEndof Word true and isEndofWord false.