foo.cc: In function 'int main()':
foo.cc:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
foo.cc:11:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d",&a[i]);
      ~~~~~^~~~~~~~~~~~

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

正在同步测试数据，请稍后
{"receive":"2020-07-22T11:40:31.545Z","handle":"2020-07-22T11:40:31.545Z","cache_start":"2020-07-22T11:40:31.551Z","read_cases":"2020-07-22T11:40:32.050Z","judge":"2020-07-22T11:40:32.051Z","done":"2020-07-22T11:40:33.188Z"}