foo.cc: In function 'int main()':
foo.cc:40:5: warning: unused variable 'llll' [-Wunused-variable]
 int llll;
     ^~~~

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

{"receive":"2020-05-29T11:43:30.711Z","handle":"2020-05-29T11:43:30.711Z","cache_start":"2020-05-29T11:43:30.718Z","read_cases":"2020-05-29T11:43:34.095Z","judge":"2020-05-29T11:43:34.096Z","done":"2020-05-29T11:43:34.741Z"}