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-2.2.1.38	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.37	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.36	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.35	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.34	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.33	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.32	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.31	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.30	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.29	tracks/kotlin/exercises/collatz-conjecture/.meta/src/reference/kotlin/CollatzCalculator.kt
trackler-2.2.1.28	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.27	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.26	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.25	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.24	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.23	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.22	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.21	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.20	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt
trackler-2.2.1.19	tracks/kotlin/exercises/collatz-conjecture/src/example/kotlin/CollatzCalculator.kt