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-2.2.0.5	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.0.4	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.0.3	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.0.2	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.0.1	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.0.0	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.55	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.54	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.53	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.52	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.51	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.50	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.49	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.48	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.47	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.46	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.45	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.44	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.43	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.42	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt