Compilare: user.cpp: In function `void go(int, int, char)': user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp:31: warning: array subscript has type `char' user.cpp: In function `int main()': user.cpp:56: warning: char format, different type arg (arg 2)