Eroare de compilare in evaluator: user.c:1:20: error: fstream.h: No such file or directory user.c:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace' user.c:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'f' user.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'g' user.c:6: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'first' user.c:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'second' user.c: In function 'main': user.c:15: error: 'g' undeclared (first use in this function) user.c:15: error: (Each undeclared identifier is reported only once user.c:15: error: for each function it appears in.) user.c:15: error: 'a' undeclared (first use in this function) user.c:15: error: 'b' undeclared (first use in this function)