From 985097e09ac2a85ee2080426fc1e527394a560eb Mon Sep 17 00:00:00 2001
From: Lanre Adedara <lanre.adedara@shara.co>
Date: Tue, 19 Nov 2024 07:15:15 +0100
Subject: [PATCH 1/2] feat: add swift implementation to lcp problem: No.39

---
 .../README.md"                                | 29 +++++++++++++++++++
 .../Solution.swift"                           | 24 +++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 "lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/Solution.swift"

diff --git "a/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md" "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"
index 43091ae8772c9..67223b0f33425 100644
--- "a/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"	
+++ "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"	
@@ -179,6 +179,35 @@ function minimumSwitchingTimes(source: number[][], target: number[][]): number {
 }
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func minimumSwitchingTimes(_ source: [[Int]], _ target: [[Int]]) -> Int {
+        var count = [Int: Int]()
+        
+        for row in source {
+            for num in row {
+                count[num, default: 0] += 1
+            }
+        }
+        
+        for row in target {
+            for num in row {
+                count[num, default: 0] -= 1
+            }
+        }
+        
+        var result = 0
+        for value in count.values {
+            result += abs(value)
+        }
+        
+        return result / 2
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git "a/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/Solution.swift" "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/Solution.swift"
new file mode 100644
index 0000000000000..39e7bfdbe1f6f
--- /dev/null
+++ "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/Solution.swift"	
@@ -0,0 +1,24 @@
+class Solution {
+    func minimumSwitchingTimes(_ source: [[Int]], _ target: [[Int]]) -> Int {
+        var count = [Int: Int]()
+        
+        for row in source {
+            for num in row {
+                count[num, default: 0] += 1
+            }
+        }
+        
+        for row in target {
+            for num in row {
+                count[num, default: 0] -= 1
+            }
+        }
+        
+        var result = 0
+        for value in count.values {
+            result += abs(value)
+        }
+        
+        return result / 2
+    }
+}

From fc342f487fffb7675a659557d69818f2e52282d6 Mon Sep 17 00:00:00 2001
From: klever34 <klever34@users.noreply.github.com>
Date: Tue, 19 Nov 2024 06:46:57 +0000
Subject: [PATCH 2/2] style: format code and docs with prettier

---
 .../README.md"                                            | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git "a/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md" "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"
index 67223b0f33425..a2ee1a5884fbe 100644
--- "a/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"	
+++ "b/lcp/LCP 39. \346\227\240\344\272\272\346\234\272\346\226\271\351\230\265/README.md"	
@@ -185,24 +185,24 @@ function minimumSwitchingTimes(source: number[][], target: number[][]): number {
 class Solution {
     func minimumSwitchingTimes(_ source: [[Int]], _ target: [[Int]]) -> Int {
         var count = [Int: Int]()
-        
+
         for row in source {
             for num in row {
                 count[num, default: 0] += 1
             }
         }
-        
+
         for row in target {
             for num in row {
                 count[num, default: 0] -= 1
             }
         }
-        
+
         var result = 0
         for value in count.values {
             result += abs(value)
         }
-        
+
         return result / 2
     }
 }