View Compilation Error

0_0_39262230_32451.cpp: In function 'int main()':
0_0_39262230_32451.cpp:10:11: error: 'cin' was not declared in this scope
   10 |     while(cin>>n,n!=0){
      |           ^~~
0_0_39262230_32451.cpp:3:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    2 | #include <string.h>
  +++ |+#include <iostream>
    3 | using  namespace std;
0_0_39262230_32451.cpp:20:9: error: 'cout' was not declared in this scope
   20 |         cout<<c<<endl;
      |         ^~~~
0_0_39262230_32451.cpp:20:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?