From f342bd152d7d5e6d40e4fb7fe581167de12653ff Mon Sep 17 00:00:00 2001
From: Jonghwan Lee <123362165+0224LJH@users.noreply.github.com>
Date: Thu, 13 Nov 2025 13:53:30 +0900
Subject: [PATCH] =?UTF-8?q?[20251113]=20BOJ=20/=20G5=20/=20=EB=B9=97?=
 =?UTF-8?q?=EB=AC=BC=20/=20=EC=9D=B4=EC=A2=85=ED=99=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../13 BOJ \353\271\227\353\254\274.md"       | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 "0224LJH/202511/13 BOJ \353\271\227\353\254\274.md"

diff --git "a/0224LJH/202511/13 BOJ \353\271\227\353\254\274.md" "b/0224LJH/202511/13 BOJ \353\271\227\353\254\274.md"
new file mode 100644
index 00000000..820383a4
--- /dev/null
+++ "b/0224LJH/202511/13 BOJ \353\271\227\353\254\274.md"	
@@ -0,0 +1,77 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.PriorityQueue;
+import java.util.Queue;
+import java.util.StringTokenizer;
+
+public class Main {
+	
+	static int height, width,ans;
+	static boolean[][] arr;
+
+	
+    public static void main(String[] args) throws IOException {
+    	init();
+    	process();
+    	print();
+
+    	
+    }
+    
+    private static void init() throws IOException{
+    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    	StringTokenizer st = new StringTokenizer(br.readLine());
+    	
+    	height = Integer.parseInt(st.nextToken());
+    	width = Integer.parseInt(st.nextToken());
+    	
+    	arr = new boolean[height][width];
+    	ans = 0;
+    	
+    	st = new StringTokenizer(br.readLine());
+    	for (int i = 0; i < width; i++) {
+    		int h = Integer.parseInt(st.nextToken());
+    		for (int j = 0; j < j; j++) {
+    			arr[j][i]= true;
+    		}
+    	}
+
+
+
+    }
+    
+    private static void process() throws IOException {
+    	for (int i = 0; i < height; i++) {
+    		ArrayList<Integer> idxes = new ArrayList<>();
+    		for (int j = 0; j < width; j++) {
+    			if(arr[i][j]) idxes.add(j);
+    		}
+    		
+    		if (idxes.size() < 2) return;
+    		
+    		int pre = idxes.get(0);
+    		
+    		for(int j = 1; j < idxes.size(); j++) {
+    			int cur = idxes.get(i);
+    			ans += cur - pre;
+    			pre = cur;
+    		}
+    	}
+
+    }
+    
+
+	private static void print() {
+    	System.out.print(ans);
+    }
+
+}
+```