View Compilation Error

0_0_35065850_29003.cpp:29:2: error: expected unqualified-id before '?' token
  ? int x,y;
  ^
0_0_35065850_29003.cpp:35:2: error: expected unqualified-id before '?' token
  ? ? ? ? ? ? ? ? ? //另外开405的原因是防止数组越界,因为x y在极限情况下会+100然后*2
  ^