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Reverse Function
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private fun reverseArr(array:ArrayList<Int>):ArrayList<Int>{ | |
val reversedArr:ArrayList<Int> = ArrayList() | |
reversedArr.addAll(array) | |
var initElementIdx = reversedArr.size | |
array.forEachIndexed { index, num -> | |
reversedArr[initElementIdx - 1] = num | |
initElementIdx -= 1 | |
} | |
return reversedArr | |
} |
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