If i started doing calculus with most of my friends, they would leave, but jokes on them, now I get a full pizza, and no calculus is needed.

I would've cheated and started doing calculus.

The easiest practical solution is for the cutter to choose their part last.

This works for pizza with no crust but you may want to refactor for equalizing the topping.  If I am getting more crust but the same area, I will fight with the pizza cutter.  Crusts are handles and empty calories.

How to slice a pizza in 3 equally sized pieces while only cutting parallel