foo.cc: In function 'long long int solve(long long int)':
foo.cc:15:9: warning: 'emm' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return emm;
         ^~~
foo.cc: In function 'int main()':
foo.cc:12:7: warning: 'emm' may be used uninitialized in this function [-Wmaybe-uninitialized]
    emm++;
    ~~~^~
foo.cc:8:12: note: 'emm' was declared here
  long long emm;
            ^~~

自豪的采用 HydroJudger 进行评测(github.com/hydro-dev/HydroJudger)

{"receive":"2020-06-27T09:43:47.696Z","handle":"2020-06-27T09:43:47.696Z","cache_start":"2020-06-27T09:43:47.708Z","read_cases":"2020-06-27T09:43:47.832Z","judge":"2020-06-27T09:43:47.832Z","done":"2020-06-27T09:43:48.381Z"}