diff --git a/ForJdk17/src/main/java/cn/whaifree/interview/Dws/P1.java b/ForJdk17/src/main/java/cn/whaifree/interview/Dws/P1.java
new file mode 100644
index 0000000..b019d45
--- /dev/null
+++ b/ForJdk17/src/main/java/cn/whaifree/interview/Dws/P1.java
@@ -0,0 +1,121 @@
+package cn.whaifree.interview.Dws;
+
+import cn.whaifree.leetCode.model.TreeNode;
+
+import java.util.*;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/11/20 19:32
+ * @注释
+ */
+public class P1 {
+
+    class Solution {
+        /**
+         * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
+         *
+         * 每日温度
+         * @param dailyTemperatures int整型一维数组
+         * @return int整型一维数组
+         */
+        public int[] temperatures (int[] dailyTemperatures) {
+            // write code here
+            // 每一天需要等待几天会出现更高温
+            // 单调栈
+            int[] res = new int[dailyTemperatures.length];
+            Deque<Integer> stack = new LinkedList<>();
+            for (int i = 0; i < dailyTemperatures.length; i++) {
+                while (!stack.isEmpty()&&dailyTemperatures[i] > dailyTemperatures[stack.peek()]) {
+                    Integer pop = stack.pop();
+                    res[pop] = i -pop;
+                }
+                stack.push(i);
+            }
+            return res;
+        }
+    }
+
+
+}
+
+class Solution {
+
+    static class Node{
+        int parentIndex;
+        int currentIndex;
+        int flag;
+        TreeNode currentNode;
+
+        public Node(int parentIndex, int currentIndex, int flag, TreeNode currentNode) {
+            this.parentIndex = parentIndex;
+            this.currentIndex = currentIndex;
+            this.flag = flag;
+            this.currentNode = currentNode;
+        }
+    }
+    /**
+     * https://blog.csdn.net/ouyang_peng/article/details/143254632
+     *
+     *
+     * @param root TreeNode类
+     * @param k int整型
+     * @return TreeNode类
+     */
+    public TreeNode cyclicShiftTree (TreeNode root, int k) {
+        // write code here
+
+        List<List<Node>> levels = new ArrayList<>();
+        Queue<Node> queue = new LinkedList<>();
+
+        queue.offer(new Node(0,0,0,root));
+        int parentNum = 1;
+        int nextNum = 0;
+        List<Node> tempLevel = new ArrayList<>();
+
+        while (!queue.isEmpty()){
+            Node node = queue.poll();
+            tempLevel.add(node);
+            parentNum--;
+            if (node.currentNode.left!=null){
+                queue.offer(new Node(node.currentIndex,nextNum++,0,node.currentNode.left));
+            }
+            if (node.currentNode.right!=null){
+                queue.offer(new Node(node.currentIndex,nextNum++,1,node.currentNode.right));
+            }
+            if (parentNum==0){
+                parentNum = nextNum;
+                nextNum = 0;
+                levels.add(tempLevel);
+                tempLevel = new ArrayList<>();
+            }
+        }
+
+        int depth = levels.size()-1;
+        for (int i = depth; i > 0; i--) {
+            List<Node> parentLev = levels.get(i - 1);
+            int parentSize = parentLev.size();
+
+            for (Node node : parentLev) {
+                node.currentNode.left=null;
+                node.currentNode.right=null;
+            }
+
+            int move = k%(2*parentSize);
+            tempLevel = levels.get(i);
+            for (Node node : tempLevel) {
+                int targetIndex = node.flag == 0 ? (node.parentIndex + move / 2) % parentSize : (node.parentIndex + (move + 1) / 2) % parentSize;
+                int targetFlag = node.flag == 0?move%2:(move+1);
+                Node targetP = parentLev.get(targetIndex);
+                if (targetFlag==0){
+                    targetP.currentNode.left = node.currentNode;
+                }else {
+                    targetP.currentNode.right = node.currentNode;
+                }
+            }
+        }
+
+        return root;
+    }
+}