From 2d981484afb21984ea977d2fd989acfc977b9178 Mon Sep 17 00:00:00 2001
From: jangwonyoon <wkddnjs7310@naver.com>
Date: Sat, 23 Aug 2025 23:00:37 +0900
Subject: [PATCH] solved1: groupAnagrams

---
 group-anagrams/jangwonyoon.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 group-anagrams/jangwonyoon.js

diff --git a/group-anagrams/jangwonyoon.js b/group-anagrams/jangwonyoon.js
new file mode 100644
index 000000000..b9a9eadd2
--- /dev/null
+++ b/group-anagrams/jangwonyoon.js
@@ -0,0 +1,22 @@
+/**
+ * @param {string[]} strs
+ * @return {string[][]}
+ *
+ * 시간 복잡도: O(n * mlogm)
+ * 공간 복잡도: O(n * m)
+ *
+ */
+var groupAnagrams = function(strs) {
+    // 예외 처리
+    if (strs.length === 1) return [[...strs]];
+
+    const map = new Map();
+
+    for (const str of strs) {
+        const sortedStr = str.split('').sort().join('');
+        if (!map.has(sortedStr)) map.set(sortedStr, []);
+        map.get(sortedStr).push(str);
+    }
+
+    return [...map.values()];
+};