From 8f16bce23cbbf2cf5ff5907343fd725e2f728a0f Mon Sep 17 00:00:00 2001
From: Camilo Plaza <camilo.alberto.plaza@gmail.com>
Date: Sat, 5 Nov 2022 16:36:43 +0100
Subject: [PATCH 1/2] add reto44 scheme

---
 .../Pages/Challenge44.xcplaygroundpage/Contents.swift | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift b/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
index 8b0cd41..571006e 100644
--- a/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
+++ b/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
@@ -20,3 +20,14 @@ import Foundation
  *   https://retosdeprogramacion.com/semanales2022.
  *
  */
+
+func countBoomerang(_ data: [Int]) -> Int {
+    var countTotal = 0
+    
+    return countTotal
+}
+
+let candidateBoomerang = [2, 1, 2, 3, 3, 4, 2, 4]
+
+print(countBoomerang(candidateBoomerang))
+

From e742fae6b2304b987dc02207d6fee221c3111bad Mon Sep 17 00:00:00 2001
From: Camilo Plaza <camilo.alberto.plaza@gmail.com>
Date: Sat, 5 Nov 2022 20:06:21 +0100
Subject: [PATCH 2/2] Add func

---
 .../Contents.swift                            | 31 +++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift b/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
index 571006e..97f94e7 100644
--- a/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
+++ b/WeeklyChallenge2022.playground/Pages/Challenge44.xcplaygroundpage/Contents.swift
@@ -22,12 +22,39 @@ import Foundation
  */
 
 func countBoomerang(_ data: [Int]) -> Int {
+    let magicNumber = 3
     var countTotal = 0
+    let lengthData = data.count
+    
+    if lengthData >= magicNumber {
+        for idx in data.indices {
+            if idx+magicNumber <= lengthData {
+                let candidate: [Int] = Array(data[idx..<idx+magicNumber])
+                if let firstValue = candidate.first,
+                   let lastValue = candidate.last {
+                    let midValue = candidate[1]
+                    if firstValue == lastValue && firstValue != midValue {
+                        print("Aquí un bumerán: \(candidate)")
+                        countTotal += 1
+                    }
+                }
+            } else {
+                break
+            }
+        }
+    }
     
     return countTotal
 }
 
-let candidateBoomerang = [2, 1, 2, 3, 3, 4, 2, 4]
+let candidate1 = [2, 1, 2, 3, 3, 4, 2, 4]
+print("En total hay \(countBoomerang(candidate1)) bumerán/es")
+
+let candidate2 = [2, 3]
+print("En total hay \(countBoomerang(candidate2)) bumerán/es")
 
-print(countBoomerang(candidateBoomerang))
+let candidate3 = [2, 3, 2, 3, 5, 1, 5]
+print("En total hay \(countBoomerang(candidate3)) bumerán/es")
 
+let candidate4 = [2, 7, 2, 3, -5, 1, -5]
+print("En total hay \(countBoomerang(candidate4)) bumerán/es")