Catalan numbers: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,928: / Line 1,928: @@
             return facts[n]
-        var f = 1.0
+        var f = 2.0
-        for (i in 2..n)
+        for (i in 3..n)
             f *= i
@@ Line 1,936: / Line 1,936: @@
     }
-    private val facts = newUpdatableMap()
+    private val facts = newUpdatableMapOf(0 , 1.0, 1 , 1.0, 2 , 2.0)
-    private val catsI = newUpdatableMap()
+    private val catsI = newUpdatableMapOf(0 , 1.0)
-    private val catsR1 = newUpdatableMap()
+    private val catsR1 = newUpdatableMapOf(0 , 1.0)
-    private val catsR2 = newUpdatableMap()
+    private val catsR2 = newUpdatableMapOf(0 , 1.0)
-    init {
-        facts[0] = 1.0
-        facts[1] = 1.0
-        facts[2] = 2.0
-        catsI[0] = 1.0
-        catsR1[0] = 1.0
-        catsR2[0] = 1.0
-    }
 }