Bulb

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Problem description. There are some bulbs, which are numbered from n to m. All the bulbs are in on condition. The following operations are performed. (1) State of the bulbs whose number is divisible by 2 is changed. (2) State of the bulbs whose number is divisible by 3 is again changed. (3) State of the bulbs whose number is divisible by 4 is changed again. Now you have to find how many bulb

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solution.cppC++17

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