From 3c274f82c196a29dd18b63ef7117605596bd75f5 Mon Sep 17 00:00:00 2001
From: sik9252 <sik9252@naver.com>
Date: Thu, 26 Mar 2026 19:44:56 +0900
Subject: [PATCH 1/2] =?UTF-8?q?feat:=20Same=20Tree=20=ED=92=80=EC=9D=B4=20?=
 =?UTF-8?q?=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 sik9252/SameTree.js | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 sik9252/SameTree.js

diff --git a/sik9252/SameTree.js b/sik9252/SameTree.js
new file mode 100644
index 0000000..c1a799e
--- /dev/null
+++ b/sik9252/SameTree.js
@@ -0,0 +1,7 @@
+var isSameTree = function (p, q) {
+  if (!p && !q) return true; // 둘 다 없으면(null)
+  if (!p || !q) return false; // 둘 중 하나만 없으면(null)
+  if (p.val !== q.val) return false; // 값이 다르면
+
+  return isSameTree(p.left, q.left) && isSameTree(p.right, q.right); // 서브트리 확인
+};

From 2ea03e115da52b546a2b272b7e96b63f16e13c58 Mon Sep 17 00:00:00 2001
From: sik9252 <sik9252@naver.com>
Date: Thu, 26 Mar 2026 19:45:05 +0900
Subject: [PATCH 2/2] =?UTF-8?q?feat:=20Number=20Of=201=20Bits=20=ED=92=80?=
 =?UTF-8?q?=EC=9D=B4=20=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 sik9252/NumberOf1Bits.js | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 sik9252/NumberOf1Bits.js

diff --git a/sik9252/NumberOf1Bits.js b/sik9252/NumberOf1Bits.js
new file mode 100644
index 0000000..c3abdda
--- /dev/null
+++ b/sik9252/NumberOf1Bits.js
@@ -0,0 +1,10 @@
+var hammingWeight = function (n) {
+  let count = 0;
+
+  while (n !== 0) {
+    n = n & (n - 1);
+    count++;
+  }
+
+  return count;
+};