Safe key locks
We have to distribute the keys to the safe among four people so that no two of them can open the safe but in such a way that any three can open the safe. How many minimum keys do we need? How to divide them?
How many minimum locks must be on the safe? All locks must be unlocked to open the safe.
How many minimum locks must be on the safe? All locks must be unlocked to open the safe.
Final Answer:
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