init

dataStruct/LinkedList/lists.h

@@ -0,0 +1,66 @@
+//
+// Created by 李洋 on 2023/8/6.
+//
+
+#ifndef LEECODE_C_LISTS_H
+#define LEECODE_C_LISTS_H
+#pragma once
+
+#include <iostream>
+#include <random>
+
+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) {}
+
+    void list() {
+        ListNode *temp = this;
+        while (temp) {
+            std::cout << temp->val << " ";
+            temp = temp->next;
+        }
+        std::cout << std::endl;
+    }
+
+    int *array() {
+        int *array = new int[len()];
+        ListNode *temp = this;
+        int index = 0;
+        while (temp) {
+            array[index++] = temp->val;
+            temp = temp->next;
+        }
+        return array;
+    }
+
+    int len() {
+        int length = 0;
+        ListNode *temp = this;
+        while (temp) {
+            temp = temp->next;
+            length++;
+        }
+        return length;
+    }
+};
+
+ListNode *createRandomList(int len) {
+    ListNode *p = nullptr;
+    std::random_device rd;
+    std::uniform_int_distribution<int> dis(1, 100);
+    std::mt19937 gen(rd());
+    while (--len >= 0) {
+        auto *temp = new ListNode(dis(gen), p);
+        p = temp;
+    }
+    return p;
+}
+
+
+#endif //LEECODE_C_LISTS_H