From 87ec0fc4336483820dad9b171ea4df62710be259 Mon Sep 17 00:00:00 2001
From: suyeun84 <81475092+suyeun84@users.noreply.github.com>
Date: Sat, 14 Jun 2025 23:32:49 +0900
Subject: [PATCH] =?UTF-8?q?[20250614]=20BOJ=20/=20G3=20/=20=EC=88=9C?=
 =?UTF-8?q?=ED=9A=8C=EA=B0=95=EC=97=B0=20/=20=EA=B9=80=EC=88=98=EC=97=B0?=
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---
 ...34\355\232\214\352\260\225\354\227\260.md" | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 "suyeun84/202506/14 BOJ G3 \354\210\234\355\232\214\352\260\225\354\227\260.md"

diff --git "a/suyeun84/202506/14 BOJ G3 \354\210\234\355\232\214\352\260\225\354\227\260.md" "b/suyeun84/202506/14 BOJ G3 \354\210\234\355\232\214\352\260\225\354\227\260.md"
new file mode 100644
index 00000000..521249f6
--- /dev/null
+++ "b/suyeun84/202506/14 BOJ G3 \354\210\234\355\232\214\352\260\225\354\227\260.md"	
@@ -0,0 +1,39 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class boj2109 {
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static StringTokenizer st;
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	
+	public static void main(String[] args) throws Exception {
+		nextLine();
+		int N = nextInt();
+		int[][] arr = new int[N][2];
+		int[] store = new int[10001];
+		int answer = 0;
+		for (int i = 0; i < N; i++) {
+			nextLine();
+			arr[i][0] = nextInt();
+			arr[i][1] = nextInt();
+		}
+		Arrays.sort(arr, (o1, o2) -> {
+			return o2[0] - o1[0];
+		});
+		for (int i = 0; i < N; i++) {
+			int cost = arr[i][0];
+			int day = arr[i][1];
+			for (int j = day; j >= 1; j--) {
+				if (store[j] < cost) {
+					store[j] = cost;
+					break;
+				}
+			}
+		}
+		for (int i = 0; i < 10001; i++) answer += store[i];
+		System.out.println(answer);
+	}
+}
+```