Lights and Switches

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Problem description Karthik has N bulbs in his house.But he has only one switch that works only once. Initially the configuration of the bulbs are given to you as a string.1 if the bulb is already switched ON or 0 if the bulb is switched OFF.He is allowed to do exactly one move.He chooses two indices i and j and toggles the state of all the bulbs in the range [i,j] using the switch mentioned abo

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solution.cppC++17

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