* Add header file
* Add header file and regulate code style
* Add header file and regulate code style
* Do not use namespace using-directives. Use using-declarations instead.
* Arctic2333 Add header file and regulate code style . Do not use namespace using-directives. Use using-declarations instead.
* Repair warning: ISO C + + forbids converting a string constant to 'char *' [- wwrite strings]
* Repair warning: ISO C + + forbids converting a string constant to 'char *' [- wwrite strings]
* rename
* RENAME
* Repair warning: ISO C + + forbids converting a string constant to 'char *' [- wwrite strings]
* char * -> string
* Update and rename trietree.cpp to trie_tree.cpp
* Delete TrieTree.cpp
* char hello[] = "hello";
