View Compilation Error

0_0_38693408_2224.cpp:4:15: error: 'e5' was not declared in this scope
    4 | const int N = e5 + 10;
      |               ^~
0_0_38693408_2224.cpp:11:15: error: size of array 'G' is not an integral constant-expression
   11 | vector<int> G[N];
      |               ^
0_0_38693408_2224.cpp:12:11: error: size of array 'sg' is not an integral constant-expression
   12 | int n, sg[N];
      |           ^