Question

How to check whether an array is subset of another array in Kotlin

Answer 1

fun isSubset(arr1: IntArray, arr2: IntArray): Boolean {
    for (item in arr2) {
        if (item !in arr1) return false
    }

    return true
}

fun main() {
    val arr1 = intArrayOf(5, 1, 8, 12, 40, 7, 9, 100)
    val arr2 = intArrayOf(8, 40, 9, 1)

    if (isSubset(arr1, arr2)) {
        println("yes")
    } else {
        println("no")
    }
}



/*
run:

yes

*/

 

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