更新

作业/刘航宇-day42/第二题/P1098.java

@@ -0,0 +1,25 @@
+import java.util.*;
+
+public class P1098 {
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        List<Integer> a = new ArrayList<>();
+        while (in.hasNextInt()) a.add(in.nextInt());
+        StringBuilder first = new StringBuilder();
+        StringBuilder second = new StringBuilder();
+        boolean f = true;
+        for (int i = 0; i < a.size(); i++) {
+            if ((i & 1) == 0) {
+                if (!f) first.append(' ');
+                first.append(a.get(i));
+                f = false;
+            } else {
+                if (second.length() > 0) second.append(' ');
+                second.append(a.get(i));
+            }
+        }
+        System.out.println(first.toString());
+        System.out.println(second.toString());
+        in.close();
+    }
+}