View Compilation Error

0_0_13727277_11266.cpp:2:2: error: expected unqualified-id before numeric constant
  2 using namespace std;
  ^
0_0_13727277_11266.cpp:3:2: error: expected unqualified-id before numeric constant
  3 const int MOD=4;
  ^
0_0_13727277_11266.cpp:4:2: error: expected unqualified-id before numeric constant
  4 int x[11111],y[11111];
  ^
0_0_13727277_11266.cpp:5:2: error: expected unqualified-id before numeric constant
  5 char str[44];
  ^
0_0_13727277_11266.cpp:6:2: error: expected unqualified-id before numeric constant
  6 int c[11111];
  ^
0_0_13727277_11266.cpp:7:2: error: expected unqualified-id before numeric constant
  7 int c_[111111];
  ^
0_0_13727277_11266.cpp:8:2: error: expected unqualified-id before numeric constant
  8 unsigned int seed=131;
  ^
0_0_13727277_11266.cpp:9:2: error: expected unqualified-id before numeric constant
  9 inline unsigned int BKDRHash(char *str)
  ^