From c4d92bd3fd2badaa3bcc75ed5dc70e9d227a0036 Mon Sep 17 00:00:00 2001
From: GitHub Action <action@github.com>
Date: Thu, 28 Nov 2024 06:28:04 +0000
Subject: [PATCH] =?UTF-8?q?=EC=9D=B4=EC=8A=88=20#398=EC=97=90=EC=84=9C=20?=
 =?UTF-8?q?=EC=86=94=EB=A3=A8=EC=85=98=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...\355\225\234_\354\204\240\354\210\230.cpp" | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 "Programmers/\354\231\204\354\243\274\355\225\230\354\247\200_\353\252\273\355\225\234_\354\204\240\354\210\230.cpp"

diff --git "a/Programmers/\354\231\204\354\243\274\355\225\230\354\247\200_\353\252\273\355\225\234_\354\204\240\354\210\230.cpp" "b/Programmers/\354\231\204\354\243\274\355\225\230\354\247\200_\353\252\273\355\225\234_\354\204\240\354\210\230.cpp"
new file mode 100644
index 0000000..b2807e5
--- /dev/null
+++ "b/Programmers/\354\231\204\354\243\274\355\225\230\354\247\200_\353\252\273\355\225\234_\354\204\240\354\210\230.cpp"
@@ -0,0 +1,26 @@
+#include <string>
+#include <vector>
+#include <unordered_map>
+
+using namespace std;
+
+string solution(vector<string> participant, vector<string> completion) {
+    unordered_map<string, int> m;
+    
+    for (string str : participant) {
+        m[str]++;
+    }
+    
+    for (string str : completion) {
+        m[str]--;
+    }
+    
+    
+    for (auto pair : m) {
+        if (pair.second >= 1) {
+            return pair.first;
+        }
+    }
+    
+    return "";
+}
\ No newline at end of file