[20251220] BOJ / G3 / 준오는 심술쟁이!! / 한종욱

Author: Ukj0ng

Ukj0ng/202512/20 BOJ G3 준오는 심술쟁이!!.md

@@ -0,0 +1,40 @@
+```
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    private static final int INF = (int)1e9 + 7;
+    private static int[][] dp;
+    private static int s;
+    private static String input;
+
+    public static void main(String[] args) throws IOException {
+        init();
+        int answer = dp[input.length()][s];
+        bw.write(answer + "\n");
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+    private static void init() throws IOException {
+        s = Integer.parseInt(br.readLine());
+        input = br.readLine();
+        dp = new int[input.length()+1][s+1];
+
+        dp[0][0] = 1;
+
+        for (int i = 0; i <= input.length(); i++) {
+            for (int j = i; j <= s; j++) {
+                int temp = dp[i][j-1] + dp[i-1][j];
+                if (j >= 26) temp -= dp[i-1][j-26];
+                temp %= INF;
+                if (temp < 0) temp += INF;
+                dp[i][j] = temp;
+            }
+        }
+    }
+}
+```