Consider 4
Queen Problem which is an instance of N Queen Problem. How many possible ways
are there to place 4 queens with (i) Attack allowed and (ii) Without any attack
in 4 Queen Problem?

Question

Answer

No of Placement with allowed attack=1820 and No of Placement without
attack=8

Answer

No
of Placement with allowed attack=1024 and No of Placement without attack=6

Answer

No
of Placement with allowed attack=1520 and No of Placement without attack=8

Answer

No
of Placement with allowed attack=1620 and No of Placement without attack=6

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Consider 4 Queen Problem which is an instance of N Queen Problem. How many possi...

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