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-2.2.1.58	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.57	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.56	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.55	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.54	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.53	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.52	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.51	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.50	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.49	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.48	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.47	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.46	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.45	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.44	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.43	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.42	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.41	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.40	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.39	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt