Compilare: user.cpp:268:2: warning: no newline at end of file user.cpp: In function 'void invers2(char*)': user.cpp:76: warning: unused variable 'aux' user.cpp: In function 'void invers1(char*)': user.cpp:92: warning: unused variable 'aux' user.cpp: In function 'int main()': user.cpp:129: warning: array subscript has type 'char' user.cpp:151: warning: array subscript has type 'char' user.cpp:158: warning: array subscript has type 'char'