diff --git "a/JHLEE325/202509/24 BOJ G5 \355\225\251 \353\266\204\355\225\264.md" "b/JHLEE325/202509/24 BOJ G5 \355\225\251 \353\266\204\355\225\264.md" new file mode 100644 index 00000000..3a8367f3 --- /dev/null +++ "b/JHLEE325/202509/24 BOJ G5 \355\225\251 \353\266\204\355\225\264.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]); + } +} +```