check implementation of Trie - http://www.techiedelight.com/trie-implementation-insert-search-delete/ http://www.techiedelight.com/trie-implementation-insert-se

check implementation of Trie - http://www.techiedelight.com/trie-implementation-insert-search-delete/ http://www.techiedelight.com/trie-implementation-insert-sear... http://www.techiedelight.com/memory-efficient-trie-implementation-using-map-insert-search-delete/ http://www.techiedelight.com/memory-efficient-trie-implement...