View Compilation Error

0_0_39568528_13573.cpp:16:37: error: 'd' does not name a type
   16 | const unsigned int mod = 3221225473;d solve()
      |                                     ^
0_0_39568528_13573.cpp: In function 'int main()':
0_0_39568528_13573.cpp:69:1: error: 'solve' was not declared in this scope
   69 | solve();
      | ^~~~~