Kotlin - Completed Binary Search
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kotlin/binary-search/src/main/kotlin/BinarySearch.kt
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20
kotlin/binary-search/src/main/kotlin/BinarySearch.kt
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class BinarySearch {
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companion object {
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fun search(inpList: List<Int>, searchElement: Int): Int {
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require(inpList.sorted() == inpList)
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var leftBound = 0
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var rightBound = inpList.size - 1
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while (leftBound <= rightBound){
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val middle = Math.floor(((leftBound + rightBound)/2).toDouble()).toInt()
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if (inpList[middle] < searchElement){
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leftBound = middle + 1
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}
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else if (inpList[middle] > searchElement){
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rightBound = middle - 1
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}
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else return middle
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}
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return -1
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}
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}
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}
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