Eroare de compilare in evaluator: user.c:1:20: error: fstream.h: No such file or directory user.c:2:21: error: iostream.h: No such file or directory user.c:3:20: error: iomanip.h: No such file or directory user.c: In function 'main': user.c:8: error: 'fstream' undeclared (first use in this function) user.c:8: error: (Each undeclared identifier is reported only once user.c:8: error: for each function it appears in.) user.c:8: error: expected ';' before 'f' user.c:9: error: 'f' undeclared (first use in this function) user.c:9: error: 'ios' undeclared (first use in this function) user.c:9: error: expected ')' before ':' token user.c:12: error: 'g' undeclared (first use in this function) user.c:12: error: expected ')' before ':' token user.c:17: warning: implicit declaration of function 'setprecision' user.c:24:2: warning: no newline at end of file