View Compilation Error

0_0_38699013_10952.cpp: In function 'int main()':
0_0_38699013_10952.cpp:52:2: error: 'cin' was not declared in this scope
   52 |  cin>>t;
      |  ^~~
0_0_38699013_10952.cpp:4:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    3 | #include<string>
  +++ |+#include <iostream>
    4 | using namespace std;
0_0_38699013_10952.cpp:64:6: error: 'cout' was not declared in this scope
   64 |      cout<<kmp(m,n)<<endl;
      |      ^~~~
0_0_38699013_10952.cpp:64:6: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_38699013_10952.cpp:64:22: error: 'endl' was not declared in this scope
   64 |      cout<<kmp(m,n)<<endl;
      |                      ^~~~
0_0_38699013_10952.cpp:4:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
    3 | #include<string>
  +++ |+#include <ostream>
    4 | using namespace std;