View Compilation Error

0_0_39283960_9088.cpp:2:17: error: expected ']' before ';' token
    2 | #define N 500000;
      |                 ^
0_0_39283960_9088.cpp:4:10: note: in expansion of macro 'N'
    4 | int flag[N+5]
      |          ^
0_0_39283960_9088.cpp:4:11: error: expected unqualified-id before '+' token
    4 | int flag[N+5]
      |           ^