Eroare de compilare in evaluator: user.c:1:21: error: iostream.h: No such file or directory user.c:3: warning: return type of 'main' is not 'int' user.c: In function 'main': user.c:12: error: 'cout' undeclared (first use in this function) user.c:12: error: (Each undeclared identifier is reported only once user.c:12: error: for each function it appears in.) user.c:13:2: warning: no newline at end of file