N -ROOM LIGHTS PROBLEM
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THERE IS A BIG SQURE ROOM OF SIDE N WHICH CONSISTS OF N X N SMALLER SQUARE ROOMS(ARRANGED LIKE CHESS BOARD)
EACH ROOM HAS A LIGHT.
WHEN the light of a smaller room k is toggled then all the neighboring room's lights get toggled (max 5 lights get toggled including the kth room )
THE PROBLEM IS to formulate an algorithm which will generate an order in which the lights have to be toggled such that
all the n X n rooms get lit, initially no room is lit.
(toggle means that if the light is on then it is toggled of & if it is off then it is switched on)
(question asked by Microsoft at IIT)
me>CAN a divide and conquer strategy work?
Me>I think that dynamic programming techniq can be used to solve this problem?
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