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weidagang/SumOdd.scala

Created July 1, 2014 14:30
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HackerRank: Sum of Odd Numbers
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SumOdd.scala
package sum.odd
object Main {
def f(arr: List[Int]): Int = arr.map(x => (if (0 == x % 2) 0 else x)).reduce((x, y) => x + y)
def main(args: Array[String]) {
val r = f(List(2, 3, 4, 5, -7));
println(r);
}
}
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