foo.cc: In function 'int main()':
foo.cc:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
foo.cc:9:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=m;i++) scanf("%d%d%d",&time[i],&x[i],&y[i]);
                           ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

{"receive":"2020-05-27T13:50:33.413Z","handle":"2020-05-27T13:50:33.413Z","cache_start":"2020-05-27T13:50:33.419Z","read_cases":"2020-05-27T13:50:34.274Z","judge":"2020-05-27T13:50:34.274Z","done":"2020-05-27T13:50:35.476Z"}