Eroare de compilare in evaluator: user.c:1:22: error: iostream.h: No such file or directory user.c:4: warning: return type of 'main' is not 'int' user.c: In function 'main': user.c:6: error: 'cout' undeclared (first use in this function) user.c:6: error: (Each undeclared identifier is reported only once user.c:6: error: for each function it appears in.) user.c:6: error: 'cin' undeclared (first use in this function) user.c:15: error: 'endl' undeclared (first use in this function) user.c:17:2: warning: no newline at end of file