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|Advanced level question frequently asked in US based companies. Recently asked in EMC and Intuit.|
|Ans. Simplest implementation we can have is a List wherein we can place ordered words and hence can perform Binary Search.|
Other implementation with better search performance is to use HashMap with key as first character of the word and value as a LinkedList.
Further level up, we can have linked Hashmaps like ,
a ( key ) -> hashmap (key-aa , value (hashmap(key-aaa,value)
b ( key ) -> hashmap (key-ba , value (hashmap(key-baa,value)
z( key ) -> hashmap (key-za , value (hashmap(key-zaa,value)
upto n levels ( where n is the average size of the word in dictionary.
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