Eroare de compilare: user.c:1:18: error: cstdio: No such file or directory user.c:2:19: error: cstring: No such file or directory user.c: In function 'citire': user.c:16: warning: implicit declaration of function 'freopen' user.c:16: error: 'stdin' undeclared (first use in this function) user.c:16: error: (Each undeclared identifier is reported only once user.c:16: error: for each function it appears in.) user.c:17: error: 'stdout' undeclared (first use in this function) user.c:19: warning: implicit declaration of function 'scanf' user.c:19: warning: incompatible implicit declaration of built-in function 'scanf' user.c: In function 'add': user.c:29: error: invalid operands to binary + user.c: In function 'sub': user.c:37: warning: assignment makes pointer from integer without a cast user.c:37: warning: operation on 'a' may be undefined user.c: In function 'init': user.c:43: warning: implicit declaration of function 'memset' user.c:43: warning: incompatible implicit declaration of built-in function 'memset' user.c: In function 'print': user.c:50: warning: implicit declaration of function 'printf' user.c:50: warning: incompatible implicit declaration of built-in function 'printf' user.c:51: error: 'for' loop initial declaration used outside C99 mode user.c:52: warning: format '%04d' expects type 'int', but argument 2 has type 'int *' user.c: In function 'solve': user.c:60: warning: passing argument 1 of 'init' from incompatible pointer type user.c:65: warning: implicit declaration of function 'memcpy' user.c:65: warning: incompatible implicit declaration of built-in function 'memcpy' user.c: In function 'main': user.c:84: warning: implicit declaration of function 'fclose' user.c:84: error: 'stdin' undeclared (first use in this function) user.c:85: error: 'stdout' undeclared (first use in this function) user.c:89:2: warning: no newline at end of file