Compilare: user.c: In function 'main': user.c:16: warning: array subscript has type 'char' user.c:17: warning: array subscript has type 'char' user.c:17: warning: array subscript has type 'char' user.c:19: warning: array subscript has type 'char' user.c:19: 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:23: warning: array subscript has type 'char' user.c:23: 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:26: warning: array subscript has type 'char' user.c:26: 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:33: warning: array subscript has type 'char' user.c:34: warning: array subscript has type 'char' user.c:34: warning: array subscript has type 'char' user.c:36: warning: array subscript has type 'char' user.c:36: 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:40: warning: array subscript has type 'char' user.c:40: warning: array subscript has type 'char' user.c:42: warning: array subscript has type 'char' user.c:42: 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'