From 0a25686571a7b772a797670a86846c728e895841 Mon Sep 17 00:00:00 2001
From: yeongjun Kim <kyjun519@gmail.com>
Date: Sat, 17 Jun 2023 20:01:10 +0900
Subject: [PATCH] =?UTF-8?q?=EC=A7=9D=EC=A7=80=EC=96=B4=20=EC=A0=9C?=
 =?UTF-8?q?=EA=B1=B0=ED=95=98=EA=B8=B0?=
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---
 Programmers/exam90.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 Programmers/exam90.js

diff --git a/Programmers/exam90.js b/Programmers/exam90.js
new file mode 100644
index 0000000..66b6b46
--- /dev/null
+++ b/Programmers/exam90.js
@@ -0,0 +1,12 @@
+function solution(s) {
+  const stack = [];
+  for (let i = 0; i < s.length; i++) {
+    if (!stack.length || stack[stack.length - 1] !== s[i]) {
+      stack.push(s[i]); // 스택이 비어있거나, 이전 문자가 현재 문자와 다를 때 stack에 push
+    } else {
+      stack.pop(); // 이전 문자열이랑 같으면 pop
+    }
+  }
+
+  return stack.length ? 0 : 1; // 스택이 비어있으면 성공했다는 뜻이므로 1을 리턴, 아니면 0을 리턴
+}