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-2.2.1.159 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.158 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.157 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.156 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.155 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.154 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.153 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.152 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.151 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.150 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.149 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.148 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.147 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.146 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.145 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.144 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.143 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.142 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.141 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt
trackler-2.2.1.140 tracks/kotlin/exercises/perfect-numbers/.meta/src/reference/kotlin/NaturalNumber.kt