Eroare de compilare: user.c: In function ‘DFS’: user.c:10:6: error: array subscript is not an integer ceva[a]=1; ^ user.c: In function ‘connect’: user.c:20:11: error: ‘c’ undeclared (first use in this function) if (a == c[i] && b == c[i+1]){ ^ user.c:20:11: note: each undeclared identifier is reported only once for each function it appears in user.c:20:19: error: ‘b’ undeclared (first use in this function) if (a == c[i] && b == c[i+1]){ ^ user.c:26:6: warning: return type of ‘main’ is not ‘int’ [-Wmain] void main(){ ^ user.c:26:6: warning: ‘main’ is normally a non-static function [-Wmain] user.c:54:1: error: expected declaration or statement at end of input } ^ user.c:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^