BOJ #18245: 이상한 나라의 암호

Author: ISKU

BOJ/18245/Main.java

@@ -0,0 +1,29 @@
+/*
+ * Author: Minho Kim (ISKU)
+ * Date: January 10, 2020
+ * E-mail: minho.kim093@gmail.com
+ *
+ * https://github.com/ISKU/Algorithm
+ * https://www.acmicpc.net/problem/18245
+ */
+
+import java.io.*;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        for (int d = 1; ; d++) {
+            String line = br.readLine();
+            if (line.equals("Was it a cat I saw?"))
+                break;
+
+            for (int i = 0; i < line.length(); i += d + 1)
+                bw.write(line.charAt(i));
+            bw.write('\n');
+        }
+
+        bw.close();
+    }
+}