init

24/01/2497.h

@@ -0,0 +1,35 @@
+//
+// Created by 李洋 on 2024/1/3.
+//
+
+#ifndef LEECODE_C_2497_H
+#define LEECODE_C_2497_H
+
+#include "../../dataStruct/LinkedList/lists.h"
+#include <stack>
+
+using namespace std;
+
+//单调栈
+ListNode *removeNodes(ListNode *head) {
+    stack<ListNode *> S;
+    S.push(head);
+    ListNode *temp = head->next;
+    while (temp) {
+        while (!S.empty() && temp->val > S.top()->val) {
+            S.pop();
+        }
+        S.push(temp);
+        temp = temp->next;
+    }
+    temp = S.top();
+    S.pop();
+    while (!S.empty()) {
+        S.top()->next = temp;
+        temp = S.top();
+        S.pop();
+    }
+    return temp;
+}
+
+#endif //LEECODE_C_2497_H