Solution:Find average salary without knowing other`s salary

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Solution: Lets name these employees A, B, C and D 1. A chooses any random value and whispers it to B privately 2. B chooses any random value and whispers it to C privately 3. C chooses any random value and whispers it to D privately 4. D chooses any random value and whispers to to A privately So each employee has two numbers now - incoming and outgoing. Each employee should get own salary, then add the incoming and subtract the outgoing and report the result. Then they should add all reports and divide by 4. POST YOUR OPINION IF YOU HAVE BETTER SOLUTION

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Solution:

Lets name these employees A, B, C and D

1. A chooses any random value and whispers it to B privately
2. B chooses any random value and whispers it to C privately
3. C chooses any random value and whispers it to D privately
4. D chooses any random value and whispers to to A privately

So each employee has two numbers now - incoming and outgoing. Each employee should get own salary, then add the incoming and subtract the outgoing and report the result. Then they should add all reports and divide by 4.

POST YOUR OPINION IF YOU HAVE BETTER SOLUTION