foo.cc: In function 'int main()':
foo.cc:46:8: warning: 'min_index' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d\n%d", a[min_index], a[c[min_index]]);
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

{"receive":"2020-07-25T06:40:50.201Z","handle":"2020-07-25T06:40:50.201Z","cache_start":"2020-07-25T06:40:50.209Z","read_cases":"2020-07-25T06:40:50.855Z","judge":"2020-07-25T06:40:50.855Z","done":"2020-07-25T06:40:51.147Z"}