foo.cc: In function 'int main()':
foo.cc:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld%lld%lld",&x,&y,&m,&n,&l);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

{"receive":"2020-08-06T09:26:12.398Z","handle":"2020-08-06T09:26:12.404Z","cache_start":"2020-08-06T09:26:12.595Z","read_cases":"2020-08-06T09:26:12.901Z","judge":"2020-08-06T09:26:12.906Z","done":"2020-08-06T09:26:13.709Z"}