View Compilation Error

0_0_39088278_2998.cpp: In function 'int main()':
0_0_39088278_2998.cpp:22:5: error: 'cin' was not declared in this scope
   22 |     cin >>T>>n>>m;
      |     ^~~
0_0_39088278_2998.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    1 | #include<queue>
  +++ |+#include <iostream>
    2 | using namespace std;
0_0_39088278_2998.cpp:22:11: error: 'T' was not declared in this scope
   22 |     cin >>T>>n>>m;
      |           ^
0_0_39088278_2998.cpp:38:5: error: 'cout' was not declared in this scope
   38 |     cout << num << endl;
      |     ^~~~
0_0_39088278_2998.cpp:38:5: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39088278_2998.cpp:38:20: error: 'endl' was not declared in this scope
   38 |     cout << num << endl;
      |                    ^~~~
0_0_39088278_2998.cpp:2:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
    1 | #include<queue>
  +++ |+#include <ostream>
    2 | using namespace std;