foo.cc: In function 'int main()':
foo.cc:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf( "%d%d%d",&n,&k,&p);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
foo.cc:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&x,&y);
   ~~~~~^~~~~~~~~~~~~~

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

正在同步测试数据，请稍后
{"receive":"2020-07-07T13:43:37.204Z","handle":"2020-07-07T13:43:37.204Z","cache_start":"2020-07-07T13:43:37.209Z","read_cases":"2020-07-07T13:43:38.232Z","judge":"2020-07-07T13:43:38.233Z","done":"2020-07-07T13:43:39.368Z"}