Compilare: user.cpp:89:2: warning: no newline at end of file user.cpp: In function 'void back(int)': user.cpp:16: warning: array subscript has type 'char' user.cpp:16: warning: array subscript has type 'char' user.cpp:16: warning: array subscript has type 'char' user.cpp:16: warning: array subscript has type 'char' user.cpp:22: warning: array subscript has type 'char' user.cpp:22: warning: array subscript has type 'char' user.cpp:24: warning: array subscript has type 'char' user.cpp:24: warning: array subscript has type 'char' user.cpp:26: warning: array subscript has type 'char' user.cpp:26: warning: array subscript has type 'char' user.cpp:27: warning: array subscript has type 'char' user.cpp:28: 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:32: warning: array subscript has type 'char' user.cpp:33: warning: array subscript has type 'char' user.cpp:35: warning: array subscript has type 'char' user.cpp:35: warning: array subscript has type 'char' user.cpp:37: warning: array subscript has type 'char' user.cpp:37: warning: array subscript has type 'char' user.cpp:38: warning: array subscript has type 'char' user.cpp:39: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:42: warning: array subscript has type 'char' user.cpp:43: warning: array subscript has type 'char' user.cpp:44: warning: array subscript has type 'char' user.cpp:46: warning: array subscript has type 'char' user.cpp:46: warning: array subscript has type 'char' user.cpp:48: warning: array subscript has type 'char' user.cpp:48: warning: array subscript has type 'char' user.cpp:49: warning: array subscript has type 'char' user.cpp:50: warning: array subscript has type 'char' user.cpp:53: warning: array subscript has type 'char' user.cpp:53: warning: array subscript has type 'char' user.cpp:54: warning: array subscript has type 'char' user.cpp:55: warning: array subscript has type 'char' user.cpp:58: warning: array subscript has type 'char' user.cpp:58: warning: array subscript has type 'char' user.cpp:60: warning: array subscript has type 'char' user.cpp:60: warning: array subscript has type 'char' user.cpp:61: warning: array subscript has type 'char' user.cpp:62: warning: array subscript has type 'char' user.cpp:65: warning: array subscript has type 'char' user.cpp:65: warning: array subscript has type 'char' user.cpp:66: warning: array subscript has type 'char' user.cpp:67: warning: array subscript has type 'char'