From 33d3e13e60e7c2a7027bdbb121c696400f101c04 Mon Sep 17 00:00:00 2001
From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com>
Date: Fri, 21 Nov 2025 23:57:48 +0900
Subject: [PATCH] =?UTF-8?q?[20251121]=20BOJ=20/=20G5=20/=20=ED=95=A9?=
 =?UTF-8?q?=EB=B6=84=ED=95=B4=20/=20=EC=9D=B4=EC=9D=B8=ED=9D=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...J \355\225\251\353\266\204\355\225\264.md" | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 "LiiNi-coder/202511/21 BOJ \355\225\251\353\266\204\355\225\264.md"

diff --git "a/LiiNi-coder/202511/21 BOJ \355\225\251\353\266\204\355\225\264.md" "b/LiiNi-coder/202511/21 BOJ \355\225\251\353\266\204\355\225\264.md"
new file mode 100644
index 00000000..f9450881
--- /dev/null
+++ "b/LiiNi-coder/202511/21 BOJ \355\225\251\353\266\204\355\225\264.md"	
@@ -0,0 +1,34 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    private static final int MOD = 1_000_000_000;
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        int N = Integer.parseInt(st.nextToken());
+        int K = Integer.parseInt(st.nextToken());
+
+        int[][] dp = new int[N + 1][K + 1];
+
+        for(int j = 1; j <= K; j++){
+            dp[0][j] = 1;
+        }
+        for(int i = 0; i <= N; i++){
+            dp[i][1] = 1;
+        }
+
+        
+        for(int i = 1; i <= N; i++){
+            for(int j = 2; j <= K; j++){
+                dp[i][j] = (dp[i][j - 1] + dp[i - 1][j]) % MOD;
+            }
+        }
+        System.out.println(dp[N][K]);
+    }
+}
+
+```