Compilare: user.cpp: In function 'void calc(int)': user.cpp:15: warning: array subscript has type 'char' user.cpp:17: warning: array subscript has type 'char' user.cpp:18: warning: array subscript has type 'char' user.cpp:19: warning: array subscript has type 'char' user.cpp:30: warning: array subscript has type 'char' user.cpp:32: warning: array subscript has type 'char' user.cpp:33: warning: array subscript has type 'char' user.cpp:34: warning: array subscript has type 'char' user.cpp:43: warning: array subscript has type 'char' user.cpp:45: warning: array subscript has type 'char' user.cpp:46: warning: array subscript has type 'char' user.cpp:47: warning: array subscript has type 'char' user.cpp:55: warning: array subscript has type 'char' user.cpp:57: warning: array subscript has type 'char' user.cpp:58: warning: array subscript has type 'char' user.cpp:59: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:90: warning: array subscript has type 'char'