Eroare de compilare: user.cpp: In function ‘void afisare()’: user.cpp:150:16: error: ambiguous overload for ‘operator<<’ (operand types are ‘writer’ and ‘const char [2]’) t<<v[i]<<" "; ^ user.cpp:150:16: note: candidates are: user.cpp:81:24: note: writer& writer::operator<<(int) <near match> inline writer &operator <<(int target){ ^ user.cpp:81:24: note: no known conversion for argument 1 from ‘const char [2]’ to ‘int’ user.cpp:89:24: note: writer& writer::operator<<(char) <near match> inline writer &operator <<(const char target){ ^ user.cpp:89:24: note: no known conversion for argument 1 from ‘const char [2]’ to ‘char’