foo.cc:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ <bitd/stdc++.h>
      |  ^~~~~~
      |  include
foo.cc: In function 'int main()':
foo.cc:2:40: error: 'cin' was not declared in this scope
    2 | using namespace std;int main(){int a,b;cin>>a>>b;cout<<a+b;return 0;}
      |                                        ^~~
foo.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
  +++ |+#include <iostream>
    1 | #includ <bitd/stdc++.h>
foo.cc:2:50: error: 'cout' was not declared in this scope
    2 | using namespace std;int main(){int a,b;cin>>a>>b;cout<<a+b;return 0;}
      |                                                  ^~~~
foo.cc:2:50: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?

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