foo.cc: In function 'int main()':
foo.cc:16:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
     else
     ^~~~
foo.cc:18:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
  if(x<=y&&x<=z)
  ^~

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