foo.cc: In function 'int main()':
foo.cc:6:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&a,&b);
                     ^
foo.cc:13:7: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
    t++;
       ^

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

{"receive":"2020-05-12T05:39:06.576Z","handle":"2020-05-12T05:39:06.576Z","cache_start":"2020-05-12T05:39:06.584Z","read_cases":"2020-05-12T05:39:07.195Z","judge":"2020-05-12T05:39:07.196Z","done":"2020-05-12T05:39:07.313Z"}