Merge pull request #963 from AlgorithmWithGod/JHLEE325

[20250924] BOJ / G5 / 합 분해 / 이준희

Author: ShinHeeEul

JHLEE325/202509/24 BOJ G5 합 분해.md

@@ -0,0 +1,34 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static final int mod = 1000000000;
+
+    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[k + 1][n + 1];
+
+        for (int j = 0; j <= n; j++) {
+            dp[1][j] = 1;
+        }
+
+        for (int i = 1; i <= k; i++) {
+            dp[i][0] = 1;
+        }
+
+        for (int i = 2; i <= k; i++) {
+            for (int j = 1; j <= n; j++) {
+                dp[i][j] = dp[i - 1][j] + dp[i][j - 1];
+                if (dp[i][j] >= mod) dp[i][j] = dp[i][j] % mod;
+            }
+        }
+
+        System.out.println(dp[k][n]);
+    }
+}
+```