feat(scala): 1a

scala/src/main/scala/problem1A.scala

@@ -0,0 +1,12 @@
+import scala.io.StdIn
+
+object problem1A {
+  def main(args: Array[String]): Unit = {
+    val Array(n, m, a) = StdIn.readLine().split(" ").map(_.toLong)
+
+    val tilesN = (n + a - 1) / a
+    val tilesM = (m + a - 1) / a
+
+    println(tilesN * tilesM)
+  }
+}