Contents

object CollatzCalculator {

    fun computeStepCount(start: Int): Int {
        require(start > 0) { "Only natural numbers are allowed" }

        if (start == 1) return 0

        val next = if (start % 2 == 0) start / 2 else 3 * start + 1
        return 1 + computeStepCount(next)
    }

}

Version data entries

214 entries across 214 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.158	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.157	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.156	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.155	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.154	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.153	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.152	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.151	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.150	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.149	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.148	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.147	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.146	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.145	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.144	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.143	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.142	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.141	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.140	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt