foo.cc: In function 'int main()':
foo.cc:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&T,&n);
  ~~~~~^~~~~~~~~~~~~~
foo.cc:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&t,&u);
   ~~~~~^~~~~~~~~~~~~~

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":"2020-07-04T15:58:52.188Z","handle":"2020-07-04T15:58:52.188Z","cache_start":"2020-07-04T15:58:52.210Z","read_cases":"2020-07-04T15:58:52.761Z","judge":"2020-07-04T15:58:52.761Z","done":"2020-07-04T15:58:54.752Z"}