Translate Python to C++

Code works as expected.

Code passes the provided tests in tests.cpp

'initialize_beliefs' works correctly.

'initialize_beliefs' is implemented the right way.

'sense' works correctly.

'sense' is implemented the right way.

'move' works correctly.

'move' is implemented the right way.

Readability

Code quality issues should not make a project non-passing unless they are problematic enough that it is not possible to understand the code at all with a reasonable amount of effort.

Readability is important so try to go through your code before submitting to make sure that a reviewer will be able to provide the most helpful feedback for you.