Problem	surnames
User	bribritt
Submission Time	2023-10-24 13:46:27
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

surnames.cpp:23:17: error: ‘__gnu_pbds’ is not a namespace-name
23 | using namespace __gnu_pbds;
| ^~~~~~~~~~
surnames.cpp:24:9: error: ‘tree’ does not name a type; did you mean ‘free’?
24 | typedef tree<
| ^~~~
| free