Compilare: user.c: In function 'solve': user.c:61: warning: array subscript has type 'char' user.c:61: warning: array subscript has type 'char' user.c:62: warning: array subscript has type 'char' user.c:65: warning: array subscript has type 'char' user.c:65: warning: array subscript has type 'char' user.c:67: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:71: warning: array subscript has type 'char' user.c:73: warning: array subscript has type 'char' user.c:73: warning: array subscript has type 'char' user.c:74: warning: array subscript has type 'char' user.c:97:2: warning: no newline at end of file