Wrong Answer
foo.cc: In function 'int main()': foo.cc:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ~~~~~^~~~~~~~~~~~~~ 自豪的采用 HydroJudge 进行评测(github.com/hydro-dev/HydroJudge)
{"receive":"2020-08-10T04:21:47.965Z","handle":"2020-08-10T04:21:47.965Z","cache_start":"2020-08-10T04:21:47.973Z","read_cases":"2020-08-10T04:21:48.079Z","judge":"2020-08-10T04:21:48.080Z","done":"2020-08-10T04:21:48.300Z"}