From dccc109d4efeefdb3946bed898f47a02f829f188 Mon Sep 17 00:00:00 2001
From: EunJin Lee <50702052+witheunjin@users.noreply.github.com>
Date: Tue, 3 Mar 2020 23:33:59 +0900
Subject: [PATCH] 03/03/2020

---
 "BaekJoon/9012_\352\264\204\355\230\270.cpp" | 41 ++++++++++++++++++++
 BaekJoon/README.md                           |  9 +++--
 2 files changed, 47 insertions(+), 3 deletions(-)
 create mode 100644 "BaekJoon/9012_\352\264\204\355\230\270.cpp"

diff --git "a/BaekJoon/9012_\352\264\204\355\230\270.cpp" "b/BaekJoon/9012_\352\264\204\355\230\270.cpp"
new file mode 100644
index 0000000..461d515
--- /dev/null
+++ "b/BaekJoon/9012_\352\264\204\355\230\270.cpp"
@@ -0,0 +1,41 @@
+#include <iostream>
+#include <stack> 
+#include <vector>
+using namespace std;
+
+vector<string> str;
+
+void isVps(vector<string> para) {
+	for (size_t i = 0; i < para.size(); ++i) {
+		stack<char> s;
+		size_t j = 0;
+		for (j = 0; j < para[i].size(); ++j) {
+			if (para[i][j]=='(') {
+				s.push(para[i][j]);
+			}
+			else if(para[i][j]==')'){
+				if (!s.empty())
+				{
+					s.pop();
+				}
+				else { 
+					--j;
+					break;
+				}
+			}
+		}
+		if (j == para[i].size() && s.empty()) cout << "YES" << endl;
+		else cout << "NO" << endl;
+	}
+}
+int main() {
+	int n;
+	cin >> n;
+	for (int i = 0; i < n; i++) {
+		string input;
+		cin >> input;
+		str.push_back(input);
+	}
+	isVps(str);
+	return 0;
+}
\ No newline at end of file
diff --git a/BaekJoon/README.md b/BaekJoon/README.md
index da76e01..57d6985 100644
--- a/BaekJoon/README.md
+++ b/BaekJoon/README.md
@@ -1,7 +1,10 @@
-# BaekJoon
+# BaekJoon
 https://www.acmicpc.net/
 
 **맞았습니다!**
 ---
-- **10828.스택** : 시도 1회 (2020.03.03)
-- **10845.큐** : 시도 1회 (2020.03.03)
+| 문제번호 | 문제이름 | 날짜 | 시도횟수|
+|:-----:|:-----:|:--:|:-----:|
+| **10828**|**스택** |2020.03.03|1|
+| **10845**|**큐**|2020.03.03|1|
+| **9012**|**괄호** |2020.03.03|1|
\ No newline at end of file