Compilare: user.cpp: In function 'int main()': user.cpp:6: warning: format '%d' expects type 'int*', but argument 3 has type 'char*' user.cpp:9: warning: array subscript has type 'char' user.cpp:10: warning: array subscript has type 'char' user.cpp:11: warning: array subscript has type 'char' user.cpp:14: warning: array subscript has type 'char'