From 9a16d7b5ef921aff8f51660588e9b4931ea3c1ff Mon Sep 17 00:00:00 2001
From: Lanre Adedara <lanre.adedara@shara.co>
Date: Thu, 30 May 2024 10:12:07 +0100
Subject: [PATCH] feat: add swift implementation to lcof problem: No.65 (#2960)

---
 lcof/面试题65. 不用加减乘除做加法/README.md     | 17 +++++++++++++++++
 .../面试题65. 不用加减乘除做加法/Solution.swift | 12 ++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 lcof/面试题65. 不用加减乘除做加法/Solution.swift

diff --git a/lcof/面试题65. 不用加减乘除做加法/README.md b/lcof/面试题65. 不用加减乘除做加法/README.md
index 8e5ac6922c..4fedd16b0c 100644
--- a/lcof/面试题65. 不用加减乘除做加法/README.md	
+++ b/lcof/面试题65. 不用加减乘除做加法/README.md	
@@ -159,6 +159,23 @@ public class Solution {
 }
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func add(_ a: Int, _ b: Int) -> Int {
+        var a = a
+        var b = b
+        while b != 0 {
+            let c = (a & b) << 1
+            a ^= b
+            b = c
+        }
+        return a
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git a/lcof/面试题65. 不用加减乘除做加法/Solution.swift b/lcof/面试题65. 不用加减乘除做加法/Solution.swift
new file mode 100644
index 0000000000..61ca8fd77c
--- /dev/null
+++ b/lcof/面试题65. 不用加减乘除做加法/Solution.swift	
@@ -0,0 +1,12 @@
+class Solution {
+    func add(_ a: Int, _ b: Int) -> Int {
+        var a = a
+        var b = b
+        while b != 0 {
+            let c = (a & b) << 1
+            a ^= b
+            b = c
+        }
+        return a
+    }
+}
\ No newline at end of file