foo.cc: In function 'int main()':
foo.cc:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
foo.cc:33:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",a[i]);
         ~~~~~^~~~~~~~~~~

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

{"receive":"2020-06-23T08:59:38.621Z","handle":"2020-06-23T08:59:38.621Z","cache_start":"2020-06-23T08:59:38.629Z","read_cases":"2020-06-23T08:59:38.773Z","judge":"2020-06-23T08:59:38.776Z","done":"2020-06-23T08:59:39.138Z"}