/in/foo.cc: In function 'int main()':
/in/foo.cc:249:5: error: 'vector' was not declared in this scope
  249 |     vector<string> results;
      |     ^~~~~~
/in/foo.cc:4:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    3 | #include <cstring>
  +++ |+#include <vector>
    4 | using namespace std;
/in/foo.cc:249:18: error: expected primary-expression before '>' token
  249 |     vector<string> results;
      |                  ^
/in/foo.cc:249:20: error: 'results' was not declared in this scope
  249 |     vector<string> results;
      |                    ^~~~~~~