Compilare: user.c: In function 'main': user.c:17: warning: array subscript has type 'char' user.c:18: warning: array subscript has type 'char' user.c:18: warning: array subscript has type 'char' user.c:20: warning: array subscript has type 'char' user.c:20: warning: array subscript has type 'char' user.c:21: warning: array subscript has type 'char' user.c:21: warning: array subscript has type 'char' user.c:22: warning: array subscript has type 'char' user.c:22: warning: array subscript has type 'char' user.c:25: warning: array subscript has type 'char' user.c:25: warning: array subscript has type 'char' user.c:27: warning: array subscript has type 'char' user.c:27: warning: array subscript has type 'char' user.c:28: warning: array subscript has type 'char' user.c:28: warning: array subscript has type 'char' user.c:29: warning: array subscript has type 'char' user.c:29: warning: array subscript has type 'char' user.c:35: warning: array subscript has type 'char' user.c:35: warning: array subscript has type 'char' user.c:37: warning: array subscript has type 'char' user.c:37: warning: array subscript has type 'char' user.c:38: warning: array subscript has type 'char' user.c:38: warning: array subscript has type 'char' user.c:39: warning: array subscript has type 'char' user.c:39: warning: array subscript has type 'char' user.c:41: warning: array subscript has type 'char' user.c:41: warning: array subscript has type 'char' user.c:43: warning: array subscript has type 'char' user.c:43: warning: array subscript has type 'char' user.c:44: warning: array subscript has type 'char' user.c:44: warning: array subscript has type 'char' user.c:45: warning: array subscript has type 'char' user.c:45: warning: array subscript has type 'char'