foo.c:3:6: warning: return type of 'main' is not 'int' [-Wmain]
 void main()
      ^~~~

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

{"receive":"2020-07-23T02:44:49.757Z","handle":"2020-07-23T02:44:49.757Z","cache_start":"2020-07-23T02:44:49.765Z","read_cases":"2020-07-23T02:44:49.915Z","judge":"2020-07-23T02:44:49.918Z","done":"2020-07-23T02:44:49.987Z"}