From 6a718b3ca013fb4e87a4a8792649492f1f4aa481 Mon Sep 17 00:00:00 2001
From: MinwooJe <59834326+MinwooJe@users.noreply.github.com>
Date: Sun, 8 Feb 2026 13:45:19 +0900
Subject: [PATCH] =?UTF-8?q?=EC=A7=80=EC=A7=80=EC=A7=80=EC=A7=80=EA=B0=81?=
 =?UTF-8?q?=E3=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../JSON.swift"                               | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 "WEEK03/\355\224\204\353\241\234\352\267\270\353\236\230\353\250\270\354\212\244_[1\354\260\250] \353\211\264\354\212\244 \355\201\264\353\237\254\354\212\244\355\204\260\353\247\201/JSON.swift"

diff --git "a/WEEK03/\355\224\204\353\241\234\352\267\270\353\236\230\353\250\270\354\212\244_[1\354\260\250] \353\211\264\354\212\244 \355\201\264\353\237\254\354\212\244\355\204\260\353\247\201/JSON.swift" "b/WEEK03/\355\224\204\353\241\234\352\267\270\353\236\230\353\250\270\354\212\244_[1\354\260\250] \353\211\264\354\212\244 \355\201\264\353\237\254\354\212\244\355\204\260\353\247\201/JSON.swift"
new file mode 100644
index 0000000..dde8b7d
--- /dev/null
+++ "b/WEEK03/\355\224\204\353\241\234\352\267\270\353\236\230\353\250\270\354\212\244_[1\354\260\250] \353\211\264\354\212\244 \355\201\264\353\237\254\354\212\244\355\204\260\353\247\201/JSON.swift"	
@@ -0,0 +1,37 @@
+func solution(_ str1:String, _ str2:String) -> Int {
+    var result = 65536
+    let (lhs, rhs) = (parse(str1), parse(str2))
+    
+    let intersection = getIntersection(lhs, rhs)
+    let union = lhs.values.reduce(0, +) + rhs.values.reduce(0, +) - intersection
+    
+    guard union != 0 else { return 65536 }
+
+    result = Int(Double(intersection) / Double(union) * 65536)
+
+    return result
+}
+
+func getIntersection(_ lhs: [String: Int], _ rhs: [String: Int]) -> Int {
+    var result = 0
+    
+    for word in lhs.keys {
+        result += min(lhs[word, default: 0], rhs[word, default: 0])
+    }
+    
+    return result
+}
+
+func parse(_ str: String) -> [String: Int] {
+    var result = [String: Int]()
+    let arr = Array(str)
+
+    for i in 0..<str.count - 1 {
+        guard arr[i].isLetter && arr[i + 1].isLetter else { continue }
+        
+        let word = String(arr[i]) + String(arr[i + 1])
+        result[word.lowercased(), default: 0] += 1
+    }
+
+    return result
+}