Hi guys, I was doing a problem-solving question and came across this, I have no idea what to do or where to even start Part a) 5 Presidents and their 5 Bodyguards want to cross a river. They have a boat that can hold at most 3 people. If a President is without their own Bodyguard when other Bodyguards are there then they will be killed. How would you get them all safely across the river?   Part b) Suppose in the above problem but we only had 4 Presidents and 4 Bodyguards, how would you change the solution to part (a) to arrive at a solution to this?

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ISBN:9780470458365
Author:Erwin Kreyszig
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Hi guys, I was doing a problem-solving question and came across this, I have no idea what to do or where to even start

Part a)

5 Presidents and their 5 Bodyguards want to cross a river. They have a boat that can hold at most 3 people. If a President is without their own Bodyguard when other Bodyguards are there then they will be killed. How would you get them all safely across the river?

 

Part b)

Suppose in the above problem but we only had 4 Presidents and 4 Bodyguards, how would you change the solution to part (a) to arrive at a solution to this?

 

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