Compilare: user.cpp: In function ‘void citire()’: user.cpp:14: warning: array subscript has type ‘char’ user.cpp:17: warning: array subscript has type ‘char’ user.cpp:26: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void scrie()’: user.cpp:38: warning: array subscript has type ‘char’ user.cpp:39: warning: array subscript has type ‘char’ user.cpp:41: warning: array subscript has type ‘char’ user.cpp:41: warning: array subscript has type ‘char’ user.cpp:41: warning: array subscript has type ‘char’