Owl Get a Life

Compile Error

fizzbuzz.cpp: In function ‘int main()’:
fizzbuzz.cpp:6:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
6 | cin >> N >> A >> B;
| ^~~
| std::cin
In file included from fizzbuzz.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
fizzbuzz.cpp:14:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
14 | cout << "FizzBuzz";
| ^~~~
| std::cout
In file included from fizzbuzz.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
fizzbuzz.cpp:18:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
18 | cout << "Fizz";
| ^~~~
| std::cout
In file i