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-2.2.1.98	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.97	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.96	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.95	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.94	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.93	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.92	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.91	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.90	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.89	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.88	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.87	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.86	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.85	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.84	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.83	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.82	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.81	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.80	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.79	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt