ordonare.cpp: In function 'bool ord(std::string, std::string)': ordonare.cpp:157: warning: comparison between signed and unsigned integer expressions ordonare.cpp:157: warning: comparison between signed and unsigned integer expressions ordonare.cpp:158: warning: array subscript has type 'char' ordonare.cpp:158: warning: array subscript has type 'char' ordonare.cpp: In function 'int main()': ordonare.cpp:174: warning: comparison between signed and unsigned integer expressions ordonare.cpp:175: warning: array subscript has type 'char' ordonare.cpp:195: warning: comparison between signed and unsigned integer expressions ordonare.cpp:168: warning: unused variable 'q'