Inventon
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Chef lives in a city named Inventon on Mars. There are $N$ buildings in Inventon starting from 1 to $N$. Each building has a number of windows equal to the count of ones in the binary representation of its index. Chef does not like buildings having many windows. He loves the building having only one window on them and want to buy them all. You are given $N$, can you please find the number of buil
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solution.cppC++17
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