foo.cc: In function 'int getMaxCount(std::vector<int>)':
foo.cc:8:5: error: 'sort' was not declared in this scope; did you mean 'short'?
    8 |     sort(nums.begin(), nums.end());
      |     ^~~~
      |     short
foo.cc: In function 'int main()':
foo.cc:21:12: warning: unused variable 'num' [-Wunused-variable]
   21 |     int n, num;
      |            ^~~

[Hydro](https://hydro.ac)提供评测服务