Compilare: user.cpp: In function 'void rez()': user.cpp:23: 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:29: warning: array subscript has type 'char' user.cpp:41: warning: array subscript has type 'char' user.cpp:43: warning: array subscript has type 'char' user.cpp:46: warning: array subscript has type 'char' user.cpp:51: warning: array subscript has type 'char' user.cpp:52: warning: array subscript has type 'char' user.cpp:54: warning: array subscript has type 'char' /tmp/ccYyY5dY.o: In function `read()': user.cpp:(.text+0x274): warning: the `gets' function is dangerous and should not be used.