Sha256: afdd47e6856bb4a932284df02b38c685202959ab03968d24a94667f36cdce9e2

Contents?: true

Size: 509 Bytes

Versions: 126

Compression:

Stored size: 509 Bytes

Contents

enum class Classification {
    DEFICIENT, PERFECT, ABUNDANT
}

fun classify(naturalNumber: Int): Classification {
    require(naturalNumber > 0, { "$naturalNumber is not a natural number" })

    val aliquotSum = naturalNumber.aliquotSum()
    return when {
        aliquotSum == naturalNumber -> Classification.PERFECT
        aliquotSum > naturalNumber -> Classification.ABUNDANT
        else -> Classification.DEFICIENT
    }
}

fun Int.aliquotSum(): Int = (1 until this).filter { this % it == 0 }.sum()

Version data entries

126 entries across 126 versions & 1 rubygems

Version Path
trackler-2.2.1.98 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.97 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.96 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.95 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.94 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.93 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.92 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.91 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.90 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.89 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.88 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.87 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.86 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.85 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.84 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.83 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.82 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.81 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.80 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.79 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt