View Compilation Error

0_0_34608722_9140.cpp:1:1: error: 'include' does not name a type
 include <iostream>
 ^
0_0_34608722_9140.cpp: In function 'int main()':
0_0_34608722_9140.cpp:27:8: error: 'cin' was not declared in this scope
  while(cin>>a>>b)
        ^
0_0_34608722_9140.cpp:30:5: error: 'cout' was not declared in this scope
    {cout<<"0 grid"<<endl;
     ^
0_0_34608722_9140.cpp:30:21: error: 'endl' was not declared in this scope
    {cout<<"0 grid"<<endl;
                     ^
0_0_34608722_9140.cpp:38:14: error: 'max' was not declared in this scope
   s=max(s1,s2);
              ^
0_0_34608722_9140.cpp:40:4: error: 'cout' was not declared in this scope
    cout<<g<<' '<<"grid"<<endl;
    ^
0_0_34608722_9140.cpp:40:26: error: 'endl' was not declared in this scope
    cout<<g<<' '<<"grid"<<endl;
                          ^
0_0_34608722_9140.cpp:42:4: error: 'cout' was not declared in this scope
    cout<<s<<' '<<"skew"<<endl;
    ^
0_0_34608722_9140.cpp:42:26: error: 'endl' was not declared in this scope
    cout<<s<<' '<<"skew"<<endl;
                          ^