foo.cc:1:2: error: invalid preprocessing directive #incldue; did you mean #include?
 #incldue<iostream>
  ^~~~~~~
  include
foo.cc: In function 'int main()':
foo.cc:6:2: error: 'cin' was not declared in this scope
  cin>>a>>b;
  ^~~
foo.cc:6:2: note: suggested alternative: 'main'
  cin>>a>>b;
  ^~~
  main
foo.cc:7:2: error: 'cout' was not declared in this scope
  cout<<a+b;
  ^~~~

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