---

Lỗi biên dịch:

Main.cc: In function ‘int solve(std::vector, int, std::vector, int)’:
Main.cc:11:9: error: ‘template class std::vector’ used without template arguments
   11 |         vector::iterator it = find(b.begin(), b.end(), curPoint);
      |         ^~~~~~
Main.cc:12:13: error: ‘it’ was not declared in this scope; did you mean ‘i’?
   12 |         if (it != b.end())
      |             ^~
      |             i