CT_309

BOJ/Java/src/B2/Boj_18245_이상한나라의암호.java

@@ -0,0 +1,30 @@
+package B2;
+
+import java.io.*;
+
+public class Boj_18245_이상한나라의암호 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+        StringBuilder sb = new StringBuilder();
+
+        String s;
+        int i = 2;
+
+        while(!(s = br.readLine()).equals("Was it a cat I saw?")) {
+
+            char[] chars = s.toCharArray();
+
+            for (int j = 0; j < chars.length; j+=i) {
+                sb.append(chars[j]);
+            }
+
+            sb.append('\n');
+
+            i++;
+        }
+
+        bw.write(sb.toString());
+        bw.flush();
+    }
+}