Chef loves Diwali

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Chef celebrates Diwali in a unique way .There are infinite Diwali lights in series numbered from 1. There are 40 unique buttons(which can turn on or off the Diwali lights) numbered from 1 to 40. Button with number i is connects lights with numbers that are multiple of i. i.e button 3 connects lights 3, 6,9, .... You can easily observe that some lights are connected to more than one buttons and som

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solution.cppC++17

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