foo.cc: In function 'int main()':
foo.cc:12:2: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
  else
  ^~~~
foo.cc:19:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   int min=0;
   ^~~

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