From 98aad3742e9851744e2dd458f99dc6613f9bded5 Mon Sep 17 00:00:00 2001
From: Lanre Adedara <lanre.adedara@shara.co>
Date: Tue, 28 May 2024 12:56:12 +0100
Subject: [PATCH] feat: add swift implementation to lcof problem: No.53.2
 (#2939)

---
 .../README.md                                 | 21 +++++++++++++++++++
 .../Solution.swift                            | 16 ++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 lcof/面试题53 - II. 0～n-1中缺失的数字/Solution.swift

diff --git a/lcof/面试题53 - II. 0～n-1中缺失的数字/README.md b/lcof/面试题53 - II. 0～n-1中缺失的数字/README.md
index 501b414e36..dd0e269d60 100644
--- a/lcof/面试题53 - II. 0～n-1中缺失的数字/README.md	
+++ b/lcof/面试题53 - II. 0～n-1中缺失的数字/README.md	
@@ -181,6 +181,27 @@ public class Solution {
 }
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func missingNumber(_ nums: [Int]) -> Int {
+        var left = 0
+        var right = nums.count
+
+        while left < right {
+            let mid = (left + right) / 2
+            if nums[mid] > mid {
+                right = mid
+            } else {
+                left = mid + 1
+            }
+        }
+        return left
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git a/lcof/面试题53 - II. 0～n-1中缺失的数字/Solution.swift b/lcof/面试题53 - II. 0～n-1中缺失的数字/Solution.swift
new file mode 100644
index 0000000000..8608351747
--- /dev/null
+++ b/lcof/面试题53 - II. 0～n-1中缺失的数字/Solution.swift	
@@ -0,0 +1,16 @@
+class Solution {
+    func missingNumber(_ nums: [Int]) -> Int {
+        var left = 0
+        var right = nums.count
+        
+        while left < right {
+            let mid = (left + right) / 2
+            if nums[mid] > mid {
+                right = mid
+            } else {
+                left = mid + 1
+            }
+        }
+        return left
+    }
+}
\ No newline at end of file