View Compilation Error

0_0_13807199_24718.cpp:2:4: error: stray '#' in program
  3 #define N 3000005
    ^
0_0_13807199_24718.cpp:2:2: error: expected unqualified-id before numeric constant
  3 #define N 3000005
  ^
0_0_13807199_24718.cpp:4:2: error: expected unqualified-id before numeric constant
  5 void init()
  ^