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-2.1.0.41	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.40	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.39	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.38	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.37	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.36	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.34	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.33	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.32	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.31	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.30	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.29	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.28	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.1.0.27	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt