start learnin some scala

matthewmichihara · Oct 17, 2013 · bf3f290 · bf3f290
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diff --git a/.gitignore b/.gitignore
@@ -1 +1,6 @@
 .DS_Store
+
+# IntelliJ
+.idea/
+out/
+*.iml
diff --git a/scala/src/P001.scala b/scala/src/P001.scala
@@ -0,0 +1,5 @@
+object P001 {
+  def main(args: Array[String]) {
+    println((1 to 999).filter(x => x % 3 == 0 || x % 5 == 0).sum)
+  }
+}
diff --git a/scala/src/P002.scala b/scala/src/P002.scala
@@ -0,0 +1,6 @@
+object P002 {
+  def main(args: Array[String]) {
+    lazy val fibs: Stream[BigInt] = BigInt(1) #:: BigInt(2) #:: fibs.zip(fibs.tail).map { n => n._1 + n._2 }
+    println(fibs.takeWhile(_ < 4000001).filter { _ % 2 == 0 }.sum)
+  }
+}