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50 votes
7 answers
3k views

Dividing a cake between $n-1$, $n$, or $n+1$ guests

A housewife is waiting for guests and has prepared a cake. She doesn't know how many guests will come, but it will be $n-1$, $n$, or $n+1$. What is the minimal number $f(n)$ of pieces the cake ...
Lviv Scottish Book's user avatar
4 votes
2 answers
9k views

Seeking a solution algorithm to the 3-partition problem

I need to divide 48 pieces of jewelry between 3 inheritors so as to give equal, or nearly equal value, to each. I have learned that this is called the 3-partition problem. I solved it for 9 pieces of ...
Grabs At Strawberries's user avatar
4 votes
2 answers
350 views

How many cuts are required for a weighted-proportional cake-cutting?

In proportional cake-cutting, there are $n$ agents with equal entitlements to a "cake" (an interval). Each agent $i$ has a nonatomic value measure $V_i$ over the cake, and it is required to create a ...
Erel Segal-Halevi's user avatar