Compilare: user.cpp: In function ‘int main()’: user.cpp:146: warning: array subscript has type ‘char’ user.cpp:149: warning: array subscript has type ‘char’ user.cpp:150: warning: array subscript has type ‘char’ user.cpp:152: warning: array subscript has type ‘char’ user.cpp:154: warning: array subscript has type ‘char’ user.cpp:165: warning: array subscript has type ‘char’ user.cpp:168: warning: array subscript has type ‘char’ user.cpp:169: warning: array subscript has type ‘char’ user.cpp:171: warning: array subscript has type ‘char’ user.cpp:173: warning: array subscript has type ‘char’ user.cpp:129: warning: unused variable ‘ok’ user.cpp:352: warning: ‘lim’ may be used uninitialized in this function