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09 2021 档案

LeetCode-1290.Convert Binary Number in a Linked List to Integer
摘要：Convert Binary Number in a Linked List to Integer Given head which is a reference node to a singly-linked list. The value of each node in the linked l 阅读全文
posted @ 2021-09-23 14:36 Pen9 阅读(42) 评论(0) 推荐(0)
面试题 02.02. Kth Node From End of List LCCI
摘要：面试题 02.02. Kth Node From End of List LCCI Implement an algorithm to find the kth to last element of a singly linked list. Return the value of the elem 阅读全文
posted @ 2021-09-22 11:25 Pen9 阅读(43) 评论(0) 推荐(0)
剑指 Offer 24. 反转链表
摘要：剑指 Offer 24. 反转链表 定义一个函数，输入一个链表的头节点，反转该链表并输出反转后链表的头节点。 示例: 输入: 1->2->3->4->5->NULL 输出: 5->4->3->2->1->NULL 限制： 0 ⇐ 节点个数 ⇐ 5000 /** * Definition for si 阅读全文
posted @ 2021-09-22 11:21 Pen9 阅读(39) 评论(0) 推荐(0)
剑指 Offer 06. 从尾到头打印链表
摘要：剑指 Offer 06. 从尾到头打印链表 输入一个链表的头节点，从尾到头反过来返回每个节点的值（用数组返回）。 示例 1： 输入：head = [1,3,2] 输出：[2,3,1] 限制： 0 ⇐ 链表长度 ⇐ 10000 /** * Definition for singly-linked li 阅读全文
posted @ 2021-09-22 11:15 Pen9 阅读(34) 评论(0) 推荐(0)
LeetCode-704. Binary Search
摘要：704. Binary Search Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in num 阅读全文
posted @ 2021-09-19 15:27 Pen9 阅读(46) 评论(0) 推荐(0)
LeetCode-20.Valid Parentheses
摘要：Title Description 20. Valid Parentheses Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string 阅读全文
posted @ 2021-09-19 15:20 Pen9 阅读(41) 评论(0) 推荐(0)