foo.cc: In function 'int main()':
foo.cc:8:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
foo.cc:11:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &h[i].a[j]);
                                    ^

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

{"receive":"2020-03-24T06:51:11.540Z","handle":"2020-03-24T06:51:11.540Z","cache_start":"2020-03-24T06:51:11.547Z","read_cases":"2020-03-24T06:51:12.139Z","judge":"2020-03-24T06:51:12.140Z","done":"2020-03-24T06:51:12.529Z"}