Compilare: user.cpp: In function 'void TrieInsert(char*, int)': user.cpp:38: warning: array subscript has type 'char' user.cpp:39: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:34: warning: unused variable 'i' user.cpp: In function 'void TrieSearch(char*)': user.cpp:55: warning: array subscript has type 'char' user.cpp:57: warning: array subscript has type 'char' user.cpp:58: warning: comparison between signed and unsigned integer expressions user.cpp:53: warning: unused variable 'now' /tmp/cco9iUc1.o: In function `main': user.cpp:(.text+0x25b): warning: the `gets' function is dangerous and should not be used.