From 1beb0aa5a281cbdf293f36164c7e50663bf71910 Mon Sep 17 00:00:00 2001
From: sooooo-an <devsoo0527@gmail.com>
Date: Thu, 7 Aug 2025 19:32:41 +0900
Subject: [PATCH 1/2] valid-palindrome

---
 valid-palindrome/sooooo-an.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 valid-palindrome/sooooo-an.ts

diff --git a/valid-palindrome/sooooo-an.ts b/valid-palindrome/sooooo-an.ts
new file mode 100644
index 000000000..9c8b1e916
--- /dev/null
+++ b/valid-palindrome/sooooo-an.ts
@@ -0,0 +1,20 @@
+function isPalindrome(s: string): boolean {
+  const cleanString = s
+    .toLowerCase()
+    .replace(/\s+/g, "")
+    .replace(/[^a-z0-9]/g, "");
+
+  let left = 0;
+  let right = cleanString.length - 1;
+
+  while (left < right) {
+    if (cleanString[left] !== cleanString[right]) {
+      return false;
+    }
+
+    left++;
+    right--;
+  }
+
+  return true;
+}

From 43c8be2984d213ca542968bc016b17fb731d307f Mon Sep 17 00:00:00 2001
From: sooooo-an <devsoo0527@gmail.com>
Date: Thu, 7 Aug 2025 19:38:26 +0900
Subject: [PATCH 2/2] number-of-1-bits

---
 number-of-1-bits/sooooo-an.ts | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 number-of-1-bits/sooooo-an.ts

diff --git a/number-of-1-bits/sooooo-an.ts b/number-of-1-bits/sooooo-an.ts
new file mode 100644
index 000000000..096cc565c
--- /dev/null
+++ b/number-of-1-bits/sooooo-an.ts
@@ -0,0 +1,3 @@
+function hammingWeight(n: number): number {
+  return n.toString(2).replace(/0/g, "").length;
+}