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Marc's Cakewalk exercise

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	`1`	`+package org.codecraftlabs.leetcode`
	`2`	`+`
	`3`	`+object MarcsCakewalk {`
	`4`	`+ def marcsCakewalk(calorie: Array[Int]): Long = {`
	`5`	`+ val reversedCalories = calorie.sorted.reverse`
	`6`	`+ reversedCalories.zipWithIndex.map{ case (e, i) => Math.pow(2, i).toLong * e}.sum`
	`7`	`+ }`
	`8`	`+`
	`9`	`+}`

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