Eroare de compilare: main.c: In function 'main': main.c:30:18: error: 'sq' undeclared (first use in this function) 30 | set_bit(sq); | ^~ main.c:11:24: note: in definition of macro 'set_bit' 11 | #define set_bit(x) ( a[x>>3] |= (1 << (x & 0x7)) ) | ^ main.c:30:18: note: each undeclared identifier is reported only once for each function it appears in 30 | set_bit(sq); | ^~ main.c:11:24: note: in definition of macro 'set_bit' 11 | #define set_bit(x) ( a[x>>3] |= (1 << (x & 0x7)) ) | ^ Non zero exit status: 1