From 335b962afcefdeea0a5268673385f6ed047f2a50 Mon Sep 17 00:00:00 2001
From: prgmr99 <johnyeom24@naver.com>
Date: Mon, 17 Nov 2025 14:56:30 +0900
Subject: [PATCH 1/2] valid-anagram solution

---
 valid-anagram/prgmr99.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 valid-anagram/prgmr99.js

diff --git a/valid-anagram/prgmr99.js b/valid-anagram/prgmr99.js
new file mode 100644
index 000000000..5ecc11f44
--- /dev/null
+++ b/valid-anagram/prgmr99.js
@@ -0,0 +1,33 @@
+/**
+ * @param {string} s
+ * @param {string} t
+ * @return {boolean}
+ */
+var isAnagram = function (s, t) {
+  const stringMap = new Map();
+
+  if (s.length !== t.length) return false;
+
+  for (let i = 0; i < s.length; i++) {
+    const currentValue = stringMap.get(s[i]);
+
+    if (currentValue) {
+      stringMap.set(s[i], currentValue + 1);
+    } else {
+      stringMap.set(s[i], 1);
+    }
+  }
+
+  for (let i = 0; i < t.length; i++) {
+    const currentValue = t[i];
+    const currentValueInStringMap = stringMap.get(currentValue);
+
+    if (currentValueInStringMap) {
+      stringMap.set(currentValue, currentValueInStringMap - 1);
+    } else {
+      return false;
+    }
+  }
+
+  return true;
+};

From 0beca12ae5af8aa49a1be620c3e0ba788645557f Mon Sep 17 00:00:00 2001
From: prgmr99 <johnyeom24@naver.com>
Date: Wed, 19 Nov 2025 17:15:30 +0900
Subject: [PATCH 2/2] climbing-stairs solution

---
 climbing-stairs/prgmr99.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 climbing-stairs/prgmr99.js

diff --git a/climbing-stairs/prgmr99.js b/climbing-stairs/prgmr99.js
new file mode 100644
index 000000000..65b6936f2
--- /dev/null
+++ b/climbing-stairs/prgmr99.js
@@ -0,0 +1,23 @@
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var climbStairs = function (n) {
+  const memo = {};
+
+  function fibo(num, memo) {
+    if (num === 1) return 1;
+    if (num === 2) return 2;
+
+    if (memo[num]) {
+      return memo[num];
+    }
+
+    const result = fibo(num - 1, memo) + fibo(num - 2, memo);
+    memo[num] = result;
+
+    return result;
+  }
+
+  return fibo(n, memo);
+};