Eroare de compilare in evaluator: user.c:1:17: error: cstdio: No such file or directory user.c: In function 'comb': user.c:7: error: 'for' loop initial declaration used outside C99 mode user.c: In function 'main': user.c:13: warning: implicit declaration of function 'freopen' user.c:13: error: 'stdin' undeclared (first use in this function) user.c:13: error: (Each undeclared identifier is reported only once user.c:13: error: for each function it appears in.) user.c:14: error: 'stdout' undeclared (first use in this function) user.c:15: warning: implicit declaration of function 'scanf' user.c:15: warning: incompatible implicit declaration of built-in function 'scanf' user.c:16: error: 'for' loop initial declaration used outside C99 mode user.c:18: warning: implicit declaration of function 'printf' user.c:18: warning: incompatible implicit declaration of built-in function 'printf' user.c:19: warning: implicit declaration of function 'fclose' user.c:21:2: warning: no newline at end of file