foo.c: In function 'main':
foo.c:41:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ^~~~~~~~~~~~~~
foo.c:44:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&a,&b,&c);
   ^~~~~~~~~~~~~~~~~~~~~~~~

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

{"receive":"2020-07-03T07:16:26.559Z","handle":"2020-07-03T07:16:26.559Z","cache_start":"2020-07-03T07:16:26.565Z","read_cases":"2020-07-03T07:16:26.696Z","judge":"2020-07-03T07:16:26.696Z","done":"2020-07-03T07:16:26.787Z"}