From 6f6c0ffbe849c0e7f07dbdc76363b658e448871d Mon Sep 17 00:00:00 2001
From: lkhyun <102892446+lkhyun@users.noreply.github.com>
Date: Tue, 8 Jul 2025 20:15:11 +0900
Subject: [PATCH] =?UTF-8?q?[20250708]=20BOJ=20/=20G2=20/=20=EA=B3=B5?=
 =?UTF-8?q?=ED=95=AD=20/=20=EC=9D=B4=EA=B0=95=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../8 BOJ G2 \352\263\265\355\225\255.md"     | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 "lkhyun/202507/8 BOJ G2 \352\263\265\355\225\255.md"

diff --git "a/lkhyun/202507/8 BOJ G2 \352\263\265\355\225\255.md" "b/lkhyun/202507/8 BOJ G2 \352\263\265\355\225\255.md"
new file mode 100644
index 00000000..5488a72e
--- /dev/null
+++ "b/lkhyun/202507/8 BOJ G2 \352\263\265\355\225\255.md"	
@@ -0,0 +1,42 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class Main{
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static int G,P;
+    static int[] nextBlank;
+    static int count = 0;
+    public static void main(String[] args) throws Exception{
+        G = Integer.parseInt(br.readLine());
+        P = Integer.parseInt(br.readLine());
+        nextBlank = new int[G+1]; //빈 공간 가리키기
+        
+        for (int i = 1; i <= G; i++) {
+            nextBlank[i] = i;
+        }
+
+        for (int i = 1; i <= P; i++) {
+            int gi = Integer.parseInt(br.readLine());
+            int blank = find(gi); //빈 공간 찾기
+            if(blank == 0){
+                break;
+            }else{
+                count++;
+                nextBlank[blank] = nextBlank[blank-1];
+            }
+        }
+        
+        bw.write(String.valueOf(count));
+        bw.close();
+    }
+    static int find(int gi){
+        if(nextBlank[gi] == gi){
+            return gi;
+        }else{
+            return nextBlank[gi] = find(nextBlank[gi]);
+        }
+    }
+}
+```