Eroare de compilare in evaluator: user.c:1:17: error: cstdio: No such file or directory user.c:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace' user.c: In function 'main': user.c:7: error: 'FILE' undeclared (first use in this function) user.c:7: error: (Each undeclared identifier is reported only once user.c:7: error: for each function it appears in.) user.c:7: error: 'f' undeclared (first use in this function) user.c:7: error: 'g' undeclared (first use in this function) user.c:7: warning: left-hand operand of comma expression has no effect user.c:8: warning: implicit declaration of function 'freopen' user.c:8: error: 'stdin' undeclared (first use in this function) user.c:9: error: 'stdout' undeclared (first use in this function) user.c:11: warning: implicit declaration of function 'fscanf' user.c:11: warning: incompatible implicit declaration of built-in function 'fscanf' user.c:12: warning: implicit declaration of function 'fprintf' user.c:12: warning: incompatible implicit declaration of built-in function 'fprintf' user.c:13: warning: implicit declaration of function 'fclose'