Compilare: user.cpp: In function 'void TrieInsert(char*, int)': user.cpp:39: warning: array subscript has type 'char' user.cpp:40: warning: array subscript has type 'char' user.cpp:44: warning: array subscript has type 'char' user.cpp:34: warning: unused variable 'i' user.cpp: In function 'void TrieSearch(char*)': user.cpp:57: warning: array subscript has type 'char' user.cpp:59: warning: array subscript has type 'char' user.cpp:60: warning: comparison between signed and unsigned integer expressions user.cpp:55: warning: unused variable 'now' /tmp/cc91udXb.o: In function `main': user.cpp:(.text+0x45b): warning: the `gets' function is dangerous and should not be used.