View Compilation Error

0_0_39033458_3517.cpp: In function 'void ckmi(int&, int)':
0_0_39033458_3517.cpp:5:9: error: 'min' was not declared in this scope
    5 |     a = min(a, b);
      |         ^~~
0_0_39033458_3517.cpp: In function 'void konbi()':
0_0_39033458_3517.cpp:8:5: error: 'cin' was not declared in this scope
    8 |     cin >> n >> m;
      |     ^~~
0_0_39033458_3517.cpp:25:5: error: 'cout' was not declared in this scope
   25 |     cout << res << "\n";
      |     ^~~~