View Compilation Error

0_0_38808442_24487.cpp: In function 'int main()':
0_0_38808442_24487.cpp:69:9: error: 'cout' was not declared in this scope
   69 |         cout<<ans<<endl;
      |         ^~~~
0_0_38808442_24487.cpp:4:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    3 | #include <cstring>
  +++ |+#include <iostream>
    4 | using namespace std;
0_0_38808442_24487.cpp:69:20: error: 'endl' was not declared in this scope
   69 |         cout<<ans<<endl;
      |                    ^~~~
0_0_38808442_24487.cpp:4:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
    3 | #include <cstring>
  +++ |+#include <ostream>
    4 | using namespace std;