From 68a0f9b632ace03a14eabf6364b63715c1dd1c0c Mon Sep 17 00:00:00 2001 From: zinnnn37 Date: Sat, 4 Oct 2025 18:45:21 +0900 Subject: [PATCH] =?UTF-8?q?[20251004]=20BOJ=20/=20G5=20/=20=ED=95=A9?= =?UTF-8?q?=EB=B6=84=ED=95=B4=20/=20=EA=B9=80=EB=AF=BC=EC=A7=84?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...5 \355\225\251\353\266\204\355\225\264.md" | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 "zinnnn37/202510/4 BOJ G5 \355\225\251\353\266\204\355\225\264.md" diff --git "a/zinnnn37/202510/4 BOJ G5 \355\225\251\353\266\204\355\225\264.md" "b/zinnnn37/202510/4 BOJ G5 \355\225\251\353\266\204\355\225\264.md" new file mode 100644 index 00000000..ea9b215d --- /dev/null +++ "b/zinnnn37/202510/4 BOJ G5 \355\225\251\353\266\204\355\225\264.md" @@ -0,0 +1,44 @@ +```java +import java.io.*; +import java.util.Arrays; +import java.util.StringTokenizer; + +public class BJ_2225_합분해 { + + private static final int MOD = 1_000_000_000; + + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static StringTokenizer st; + + private static int N, K; + private static int[] dp; + + public static void main(String[] args) throws IOException { + init(); + sol(); + } + + private static void init() throws IOException { + st = new StringTokenizer(br.readLine()); + N = Integer.parseInt(st.nextToken()); + K = Integer.parseInt(st.nextToken()); + + dp = new int[N + 1]; + Arrays.fill(dp, 1); + } + + private static void sol() throws IOException { + for (int j = 1; j < K; j++) { + for (int i = 1; i <= N; i++) { + dp[i] = (dp[i - 1] + dp[i]) % MOD; + } + } + bw.write(dp[N] + "\n"); + bw.flush(); + bw.close(); + br.close(); + } + +} +``` \ No newline at end of file