View Compilation Error

0_0_39049894_2822.cpp: In function 'void Test()':
0_0_39049894_2822.cpp:37:9: error: 'cin' was not declared in this scope
   37 |         cin>>a[i];
      |         ^~~
0_0_39049894_2822.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    1 | #include <stdio.h>
  +++ |+#include <iostream>
    2 | using namespace std;
0_0_39049894_2822.cpp:42:5: error: 'cin' was not declared in this scope
   42 |     cin>>k;
      |     ^~~
0_0_39049894_2822.cpp:42:5: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?