foo.cc: In function 'int read()':
foo.cc:9:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(f)x=-x;return x;
  ^~
foo.cc:9:12: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if(f)x=-x;return x;
            ^~~~~~

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

{"receive":"2020-07-17T06:49:15.057Z","handle":"2020-07-17T06:49:15.057Z","cache_start":"2020-07-17T06:49:15.080Z","read_cases":"2020-07-17T06:49:15.246Z","judge":"2020-07-17T06:49:15.250Z","done":"2020-07-17T06:49:17.170Z"}