Eroare de compilare: user.c:1:23: error: cstdio: No such file or directory user.c: In function 'citire': user.c:27: warning: implicit declaration of function 'scanf' user.c:27: warning: incompatible implicit declaration of built-in function 'scanf' user.c:28: warning: implicit declaration of function 'fgets' user.c:28: error: 'stdin' undeclared (first use in this function) user.c:28: error: (Each undeclared identifier is reported only once user.c:28: error: for each function it appears in.) user.c:30: error: 'for' loop initial declaration used outside C99 mode user.c: In function 'solve': user.c:39: error: 'for' loop initial declaration used outside C99 mode user.c:53: warning: implicit declaration of function 'printf' user.c:53: warning: incompatible implicit declaration of built-in function 'printf' user.c: In function 'main': user.c:58: warning: implicit declaration of function 'freopen' user.c:58: error: 'stdin' undeclared (first use in this function) user.c:59: error: 'stdout' undeclared (first use in this function) user.c:65:6: warning: no newline at end of file