View Compilation Error

0_0_13807517_26414.cpp:2:4: error: stray '#' in program
  2 #include<vector>
    ^
0_0_13807517_26414.cpp:2:2: error: expected unqualified-id before numeric constant
  2 #include<vector>
  ^
0_0_13807517_26414.cpp:4:2: error: expected unqualified-id before numeric constant
  4 vector<int>p[100002];
  ^
0_0_13807517_26414.cpp:5:2: error: expected unqualified-id before numeric constant
  5 int get_sg(int n,int u)
  ^