View Compilation Error

0_0_39417098_21274.cpp: In function 'int main()':
0_0_39417098_21274.cpp:3:9: error: 'cin' was not declared in this scope
    3 |         cin >> n;
      |         ^~~
0_0_39417098_21274.cpp:8:25: error: 'cout' was not declared in this scope
    8 |                         cout << "Case" << " ";
      |                         ^~~~
0_0_39417098_21274.cpp:9:44: error: 'endl' was not declared in this scope
    9 |                         cout<< i << ":" << endl;
      |                                            ^~~~
0_0_39417098_21274.cpp:16:18: error: expected '}' at end of input
   16 |                 }
      |                  ^
0_0_39417098_21274.cpp:1:12: note: to match this '{'
    1 | int main() {
      |            ^