Eroare de compilare in evaluator: user.c:1:20: error: cstdio: No such file or directory user.c:5: error: variably modified 'V' at file scope user.c: In function 'main': user.c:8: warning: implicit declaration of function 'freopen' user.c:8: error: 'stdin' 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:9: error: 'stdout' undeclared (first use in this function) user.c:12: warning: implicit declaration of function 'scanf' user.c:12: warning: incompatible implicit declaration of built-in function 'scanf' user.c:22: warning: implicit declaration of function 'printf' user.c:22: warning: incompatible implicit declaration of built-in function 'printf' user.c:25:3: warning: no newline at end of file