From 41def7077773ed3b093497d22a2009c202755fdd Mon Sep 17 00:00:00 2001
From: Jonghwan Lee <123362165+0224LJH@users.noreply.github.com>
Date: Sat, 13 Sep 2025 13:31:34 +0900
Subject: [PATCH] =?UTF-8?q?[20250913]=20BOJ=20/=20G2=20/=20=EC=BB=AC?=
 =?UTF-8?q?=EB=9F=AC=EB=B3=BC=20/=20=EC=9D=B4=EC=A2=85=ED=99=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...J \354\273\254\353\237\254\353\263\274.md" | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 "0224LJH/202509/13 BOJ \354\273\254\353\237\254\353\263\274.md"

diff --git "a/0224LJH/202509/13 BOJ \354\273\254\353\237\254\353\263\274.md" "b/0224LJH/202509/13 BOJ \354\273\254\353\237\254\353\263\274.md"
new file mode 100644
index 00000000..cc3a5cd1
--- /dev/null
+++ "b/0224LJH/202509/13 BOJ \354\273\254\353\237\254\353\263\274.md"	
@@ -0,0 +1,82 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.*;
+
+public class Main {
+	
+	static StringBuilder sb = new StringBuilder();
+	
+	static int ballCnt,sum;
+	static int[] ans,numSum;
+	static ArrayList<Ball>[] balls;
+	
+	static class Ball {
+		int color;
+		int idx;
+		
+		public Ball (int color, int idx){
+			this.color = color;
+			this.idx = idx;
+		}
+		
+	}
+
+    
+    public static void main(String[] args) throws NumberFormatException, IOException {
+      init();
+      process();
+      print();
+    }
+    
+    @SuppressWarnings("unchecked")
+	public static void init() throws NumberFormatException, IOException {
+    	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    	
+    	ballCnt = Integer.parseInt(br.readLine());
+    	ans = new int[ballCnt]; 
+    	numSum = new int[ballCnt+1]; // i번 색상 공의 크기 합
+    	balls = new ArrayList[2001];
+    	
+    	for (int i = 0 ; i <= 2000; i++) balls[i] = new ArrayList<>();
+    	
+    	for (int i = 0; i < ballCnt; i++) {
+    		StringTokenizer st = new StringTokenizer(br.readLine());
+    		int color = Integer.parseInt(st.nextToken());
+    		int size = Integer.parseInt(st.nextToken());
+    		Ball b = new Ball(color,i);
+    		
+    		balls[size].add(b);
+    	}
+    	
+    	
+
+    }
+    
+    public static void process() {   
+    	for (int i = 1; i <= 2000; i++) {
+    		ArrayList<Ball> tempBalls = balls[i]; 
+    		
+    		for (Ball b: tempBalls) {
+    			ans[b.idx] = sum - numSum[b.color];
+    		}
+    		
+    		for (Ball b: tempBalls) {
+    			numSum[b.color] += i;
+    		}
+    		sum += tempBalls.size() * i;
+
+    		
+    	}
+
+
+    	for (int i = 0; i < ballCnt; i++) {
+    		sb.append(ans[i]).append("\n");
+    	}
+    }
+    
+    public static void print() {
+    	System.out.println(sb.toString());
+    }
+}```