View Compilation Error

0_0_21633605_24974.cpp:1:31: error: stray '#' in program
  <pre name="code" class="cpp">#include<iostream>
                               ^
0_0_21633605_24974.cpp:1:2: error: expected unqualified-id before '<' token
  <pre name="code" class="cpp">#include<iostream>
  ^
0_0_21633605_24974.cpp: In function 'int main()':
0_0_21633605_24974.cpp:39:3: error: 'cout' was not declared in this scope
   cout<<ans<<endl;
   ^
0_0_21633605_24974.cpp:39:14: error: 'endl' was not declared in this scope
   cout<<ans<<endl;
              ^