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17 lines
383 B
Kotlin
17 lines
383 B
Kotlin
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fun getSum(n: Int, p: Int, l: Int): Int {
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var result = 0
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var runningN = n
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for (q in p + l - 1 downTo p) {
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result += Math.pow(runningN.rem(10).toDouble(), q.toDouble()).toInt()
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runningN /= 10
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}
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return result
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}
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fun digPow(n: Int, p: Int): Int {
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val sum = getSum(n, p, n.toString().length)
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return if (sum.rem(n) == 0) sum.div(n) else -1
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}
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