From 5b11a54ead13fb9b02751a6649b92de38e2d475e Mon Sep 17 00:00:00 2001
From: suyeun84 <81475092+suyeun84@users.noreply.github.com>
Date: Fri, 8 Aug 2025 23:28:34 +0900
Subject: [PATCH] =?UTF-8?q?[20250808]=20BOJ=20/=20G5=20/=201,=202,=203=20?=
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---
 ...\353\215\224\355\225\230\352\270\260 4.md" | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 "suyeun84/202508/08 BOJ G5 1, 2, 3 \353\215\224\355\225\230\352\270\260 4.md"

diff --git "a/suyeun84/202508/08 BOJ G5 1, 2, 3 \353\215\224\355\225\230\352\270\260 4.md" "b/suyeun84/202508/08 BOJ G5 1, 2, 3 \353\215\224\355\225\230\352\270\260 4.md"
new file mode 100644
index 00000000..a0aa3b26
--- /dev/null
+++ "b/suyeun84/202508/08 BOJ G5 1, 2, 3 \353\215\224\355\225\230\352\270\260 4.md"	
@@ -0,0 +1,28 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class boj15989 {
+	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 T = nextInt();
+		for (int tc = 0; tc < T; tc++) {
+			nextLine();
+			int n = nextInt();
+			int[] dp = new int[n+1];
+			dp[0] = 1;
+			for (int i = 1; i <= 3; i++) {
+				for (int j = i; j <= n; j++) {
+					dp[j] += dp[j-i];
+				}
+			}
+			System.out.println(dp[n]);
+		}
+	}
+}
+```