From 0c8f377d04f462a0b2fe5bcd23e3f79770fbf00b Mon Sep 17 00:00:00 2001
From: yoouyeon <jyeon.yoon59@gmail.com>
Date: Mon, 1 Dec 2025 13:26:40 +0900
Subject: [PATCH 1/2] =?UTF-8?q?=F0=9F=92=A1=20=ED=94=84=EB=A1=9C=EA=B7=B8?=
 =?UTF-8?q?=EB=9E=98=EB=A8=B8=EC=8A=A4=2012973=20-=20=EC=A7=9D=EC=A7=80?=
 =?UTF-8?q?=EC=96=B4=20=EC=A0=9C=EA=B1=B0=ED=95=98=EA=B8=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...34\352\261\260\355\225\230\352\270\260.js" | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git "a/Programmers/Level2/12973_\354\247\235\354\247\200\354\226\264_\354\240\234\352\261\260\355\225\230\352\270\260.js" "b/Programmers/Level2/12973_\354\247\235\354\247\200\354\226\264_\354\240\234\352\261\260\355\225\230\352\270\260.js"
index de6f7c7..2f2ce5b 100644
--- "a/Programmers/Level2/12973_\354\247\235\354\247\200\354\226\264_\354\240\234\352\261\260\355\225\230\352\270\260.js"
+++ "b/Programmers/Level2/12973_\354\247\235\354\247\200\354\226\264_\354\240\234\352\261\260\355\225\230\352\270\260.js"
@@ -5,11 +5,31 @@
 링크 : https://school.programmers.co.kr/learn/courses/30/lessons/12973
 */
 
+// ANCHOR 2025.12.01 풀이
+function solution2(s) {
+  const stack = [];
+  for (const c of s) {
+    if (stack.length === 0) {
+      stack.push(c);
+      continue;
+    }
+    const top = stack[stack.length - 1];
+    if (c === top) {
+      stack.pop();
+    } else {
+      stack.push(c);
+    }
+  }
+
+  return stack.length === 0 ? 1 : 0;
+}
+
+// ANCHOR 2025.10.02 풀이
 function isEmpty(stack) {
   return stack.length === 0;
 }
 
-function solution(s) {
+function solution1(s) {
   const stack = [];
 
   // 초기화

From 3c1188bb02e139b25ef042ba16570803f5db8efd Mon Sep 17 00:00:00 2001
From: yoouyeon <jyeon.yoon59@gmail.com>
Date: Mon, 1 Dec 2025 13:26:53 +0900
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=92=A1=20=ED=94=84=EB=A1=9C=EA=B7=B8?=
 =?UTF-8?q?=EB=9E=98=EB=A8=B8=EC=8A=A4=2076502=20-=20=EA=B4=84=ED=98=B8=20?=
 =?UTF-8?q?=ED=9A=8C=EC=A0=84=ED=95=98=EA=B8=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...14\354\240\204\355\225\230\352\270\260.js" | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git "a/Programmers/Level2/76502_\352\264\204\355\230\270_\355\232\214\354\240\204\355\225\230\352\270\260.js" "b/Programmers/Level2/76502_\352\264\204\355\230\270_\355\232\214\354\240\204\355\225\230\352\270\260.js"
index d0d691b..09f1424 100644
--- "a/Programmers/Level2/76502_\352\264\204\355\230\270_\355\232\214\354\240\204\355\225\230\352\270\260.js"
+++ "b/Programmers/Level2/76502_\352\264\204\355\230\270_\355\232\214\354\240\204\355\225\230\352\270\260.js"
@@ -5,7 +5,36 @@
 링크 : https://school.programmers.co.kr/learn/courses/30/lessons/76502
 */
 
-//ANCHOR 2025.10.02 풀이
+// ANCHOR 2025.12.01 풀이
+function solution3(s) {
+  let answer = 0;
+  const sList = [...s, ...s];
+  for (let start = 0; start < s.length; start++) {
+    const stack = [];
+    let isValid = true;
+    for (let offset = 0; offset < s.length; offset++) {
+      const c = sList[start + offset];
+      if (c === "(" || c === "[" || c === "{") {
+        stack.push(c);
+      } else {
+        const top = stack.pop();
+        if (!top) {
+          isValid = false;
+          break;
+        }
+        if (top === "(" && c === ")") continue;
+        if (top === "[" && c === "]") continue;
+        if (top === "{" && c === "}") continue;
+        isValid = false;
+        break;
+      }
+    }
+    if (isValid && stack.length === 0) answer++;
+  }
+  return answer;
+}
+
+// ANCHOR 2025.10.02 풀이
 function solution2(s) {
   let answer = 0;
   const n = s.length;