add some passed codes

2487-240103/main.cpp

@@ -0,0 +1,25 @@
+#include<stdcpp.h>
+using namespace std;
+struct ListNode{
+    int val;
+    ListNode *next;
+    ListNode() : val(0), next(nullptr){}
+    ListNode(int x): val(x), next(nullptr) {}
+    ListNode(int x, ListNode *next) : val(x), next(next) {}
+};
+class Solution{
+public:
+    ListNode* removeNodes(ListNode* head){
+        ListNode * now = head;
+        while(now->next != NULL){
+            if(now->val < now->next->val){
+                while   
+            }
+        }
+    }
+};
+int main(){
+    Solution sol;
+    ListNode * ex1 = new ListNode(5);
+
+}