View Compilation Error

0_0_38982515_594.cpp:41:11: error: redefinition of 'const long long int mod'
   41 | const int mod = 1e9 + 7;
      |           ^~~
0_0_38982515_594.cpp:9:11: note: 'const long long int mod' previously defined here
    9 | const int mod = 1e9 + 7;
      |           ^~~
0_0_38982515_594.cpp:42:11: error: redefinition of 'const long long int N'
   42 | const int N = 1e6 + 100;
      |           ^
0_0_38982515_594.cpp:10:11: note: 'const long long int N' previously defined here
   10 | const int N = 1e6 + 100;
      |           ^
0_0_38982515_594.cpp:61:8: error: redefinition of 'int main()'
   61 | signed main()
      |        ^~~~
0_0_38982515_594.cpp:13:8: note: 'int main()' previously defined here
   13 | signed main()
      |        ^~~~