Compilare: user.cpp: In function 'void compute()': user.cpp:131: warning: array subscript has type 'char' user.cpp:131: warning: array subscript has type 'char' user.cpp:132: warning: array subscript has type 'char' user.cpp:132: warning: array subscript has type 'char' user.cpp:169: 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:171: warning: array subscript has type 'char' user.cpp:176: warning: array subscript has type 'char' user.cpp:176: warning: array subscript has type 'char' user.cpp:178: warning: array subscript has type 'char' user.cpp:178: warning: array subscript has type 'char' user.cpp:190: warning: array subscript has type 'char' user.cpp:190: warning: array subscript has type 'char' user.cpp:192: warning: array subscript has type 'char' user.cpp:192: warning: array subscript has type 'char' user.cpp:197: warning: array subscript has type 'char' user.cpp:197: warning: array subscript has type 'char' user.cpp:199: warning: array subscript has type 'char' user.cpp:199: warning: array subscript has type 'char' user.cpp:227: warning: array subscript has type 'char' user.cpp:227: warning: array subscript has type 'char' user.cpp:92: warning: unused variable 'ca' user.cpp:92: warning: unused variable 'cd'