Eroare de compilare in evaluator: user.c:1:18: error: cstdio: No such file or directory user.c: In function 'read': user.c:10: warning: implicit declaration of function 'scanf' user.c:10: warning: incompatible implicit declaration of built-in function 'scanf' user.c: In function 'solve': user.c:23: error: 'for' loop initial declaration used outside C99 mode user.c:25: warning: implicit declaration of function 'printf' user.c:25: warning: incompatible implicit declaration of built-in function 'printf' user.c:29: error: 'for' loop initial declaration used outside C99 mode user.c:35: error: 'for' loop initial declaration used outside C99 mode user.c: In function 'main': user.c:45: warning: implicit declaration of function 'freopen' user.c:45: error: 'stdin' undeclared (first use in this function) user.c:45: error: (Each undeclared identifier is reported only once user.c:45: error: for each function it appears in.) user.c:46: error: 'stdout' undeclared (first use in this function)