View Compilation Error

0_0_39566763_31063.cpp: In function 'int main()':
0_0_39566763_31063.cpp:14:5: error: 'cin' was not declared in this scope
   14 |     cin >> m;
      |     ^~~
0_0_39566763_31063.cpp:16:5: error: 'cout' was not declared in this scope
   16 |     cout << f(m) << endl;
      |     ^~~~
0_0_39566763_31063.cpp:16:21: error: 'endl' was not declared in this scope
   16 |     cout << f(m) << endl;
      |                     ^~~~