From 7a5c7c51e0328f319ccca97633fa1971ebf62436 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B0=95=EC=8B=A0=EC=A7=80?=
 <101992179+ksinji@users.noreply.github.com>
Date: Fri, 23 Jan 2026 00:22:54 +0900
Subject: [PATCH] =?UTF-8?q?[20260122]=20PGM=20/=20LV2=20/=20=EC=A7=9D?=
 =?UTF-8?q?=EC=A7=80=EC=96=B4=20=EC=A0=9C=EA=B1=B0=ED=95=98=EA=B8=B0=20/?=
 =?UTF-8?q?=20=EA=B0=95=EC=8B=A0=EC=A7=80?=
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---
 ...34\352\261\260\355\225\230\352\270\260.md" | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 "ksinji/202601/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260.md"

diff --git "a/ksinji/202601/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260.md" "b/ksinji/202601/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260.md"
new file mode 100644
index 00000000..0dd9654f
--- /dev/null
+++ "b/ksinji/202601/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260.md"	
@@ -0,0 +1,21 @@
+```java
+import java.util.*;
+
+class Solution {
+    public int solution(String s) {
+        char[] arr = s.toCharArray();
+        char[] stack = new char[arr.length];
+        int top = 0;
+
+        for (char c : arr) {
+            if (top > 0 && stack[top - 1] == c) {
+                top--;
+            } else {
+                stack[top++] = c;
+            }
+        }
+
+        return top == 0 ? 1 : 0;
+    }
+}
+```