did first two

HWFrom1-24(Recursion).playground/Contents.swift

@@ -8,11 +8,149 @@ Homework link: https://docs.google.com/document/d/1INvOynuggw69yLRNg3y-TPwBiYb3l
 */
 
 
+//Question 1
+
+
+
+import Foundation
+
+
+
+/*
+
+
+
+
+
+Homework link: https://docs.google.com/document/d/1INvOynuggw69yLRNg3y-TPwBiYb3lQZQiFUOxZKBwsY/edit#heading=h.za36ai6n5fth
+
+
+
+
+
+
+
+*/
+
+
+
+
+
+
 
 //Question 1
 
 
 
+var count = 0;
+
+var firstNumber = 0
+
+var secondNumber = 1
+
+
+
+
+
+
+
+
+
+
+
+func fib(n: Int) -> Int {
+
+
+
+    while count <= n {
+
+
+
+        let temp = secondNumber
+
+        secondNumber = secondNumber + firstNumber
+
+        firstNumber = temp
+
+
+
+    }
+
+
+
+    var stepNum = 0
+
+    func tryStep() -> Int {
+
+        let stepCount = Int(arc4random_uniform(3)) - 1
+
+        stepNum += stepCount;
+
+        switch(stepCount) {
+
+        case -1: print("Ouch \(stepNum)")
+
+        case 1: print("Yay  \(stepNum)")
+
+        default: print("Beep \(stepNum)")
+
+        }
+
+        return stepCount
+
+    }
+
+
+
+
+
+
+
+    func stepUp() {
+
+        if tryStep() == 1 {
+
+            // We’re done!
+
+            return
+
+        }
+
+        else if tryStep() == 0 {
+
+
+
+            stepUp()
+
+        }
+
+
+
+
+
+        // Now we’re two steps below where we want to be :-(
+
+        stepUp()
+
+        stepUp()
+
+}
+
+
+
+
+
+
+
+
+
+//Question 2
+
+
+
+
+
+//Question 3
 
 
 
@@ -22,4 +160,4 @@ Homework link: https://docs.google.com/document/d/1INvOynuggw69yLRNg3y-TPwBiYb3l
 
 
 
-//Question 3
+//Question 3