Bulbs

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The president of the country of Algomania, wants to build a new public library. He wants to fit several light bulbs to brightly lit up the entire building. However, along with the brightness of each bulb, he is also concerned about the heat generated per bulb, and the cost per bulb. There are $N$ bulbs available in an Electronic Store. The $i^{th} (1\leq i \leq N )$ bulb has the following

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solution.cppC++17

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