View Compilation Error

0_0_19218407_29774.cpp:3:1: error: expected unqualified-id before numeric constant
 1 const double eps = 1e-9;
 ^
0_0_19218407_29774.cpp:4:3: error: expected unqualified-id before numeric constant
   2 const int SIGMA_SIZE = 7;
   ^
0_0_19218407_29774.cpp:5:3: error: expected unqualified-id before numeric constant
   3 const int MAXNODE = 200;
   ^
0_0_19218407_29774.cpp:6:3: error: expected unqualified-id before numeric constant
   4 
   ^
0_0_19218407_29774.cpp:8:3: error: expected unqualified-id before numeric constant
   6 int f[MAXNODE];
   ^
0_0_19218407_29774.cpp:9:3: error: expected unqualified-id before numeric constant
   7 int sz;
   ^
0_0_19218407_29774.cpp:10:3: error: expected unqualified-id before numeric constant
   8 
   ^