[20251212] BOJ / G4 / 인접한 비트의 개수 / 이준희

Author: JHLEE325

JHLEE325/202512/12 BOJ G4 인접한 비트의 개수.md

@@ -0,0 +1,40 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    static long[][][] dp = new long[101][101][2];
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st;
+
+        int T = Integer.parseInt(br.readLine());
+
+        dp[1][0][0] = 1;
+        dp[1][0][1] = 1;
+
+        for (int n = 2; n <= 100; n++) {
+            for (int k = 0; k <= 100; k++) {
+                dp[n][k][0] = dp[n - 1][k][0] + dp[n - 1][k][1];
+
+                dp[n][k][1] = dp[n - 1][k][0];
+                if (k > 0) dp[n][k][1] += dp[n - 1][k - 1][1];
+            }
+        }
+
+        StringBuilder sb = new StringBuilder();
+
+        for (int t = 0; t < T; t++) {
+            st = new StringTokenizer(br.readLine());
+            int N = Integer.parseInt(st.nextToken());
+            int K = Integer.parseInt(st.nextToken());
+
+            sb.append(dp[N][K][0] + dp[N][K][1]).append("\n");
+        }
+
+        System.out.print(sb);
+    }
+}
+```