Question 560. 和为K的子数组 难度:简单 ❝ 给定一个整数数组和一个整数 k,你需要找到该数组中和为 k 的连续的子数组的个数。 示例1 : 代码语言:javascript 代码运行次数:0 运行 AI代码解释 输入:nums=[ 1,1,1],k=2输出: 2,[1,1]与[1,1]为两种不同的情况。 说明: 数组的长度为 [1, 20,000]。数组中
Question 4: Longest Continuous Increasing Subsequence(Leetcode-674) 题目描述 给定一个未经排序的整数数组,找到最长且连续的的递增序列。 示例1: 输入: [1,3,5,4,7] 输出: 3 解释: 最长连续递增序列是 [1,3,5], 长度为3。 尽管 [1,3,5,7] 也是升序的子序列, 但它不是连续的,因为5和7在原数组...
141. 环形链表 - 给你一个链表的头节点 head ,判断链表中是否有环。 如果链表中有某个节点,可以通过连续跟踪 next 指针再次到达,则链表中存在环。 为了表示给定链表中的环,评测系统内部使用整数 pos 来表示链表尾连接到链表中的位置(索引从 0 开始)。注意:pos 不作
the model performance on the validation data is highly dependent on how we split the data, and validation error tends to overestimate the test error rate. BA Interview Question & Answer Write a query in SQL to count ...
BA Interview Question Maximum Depth of Binary Tree Deion: Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. Input: root of a tree ...
Number Range (medium) Search in a Sorted Infinite Array (medium) Minimum Difference Element (medium) Bitonic Array Maximum (easy) 12. Pattern: Top ‘K’ Elements,前K个系列 任何让我们求解最大/最小/最频繁的K个元素的题,都遵循这种模式。 用来记录这种前K类型的最佳数据结构就是堆了(译者注:在Java...
Plus One question: Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leading zero, except the number 0 itself. The digits are stored such that the most significant digit is at the head of the...
IdQuestionDifficultyFrequencyData StructuresAlgorithms1Two Sum25array + setsort + two pointers2Add Two Numbers34linked listtwo pointers + math3Longest
转载自:LeetCode Question Difficulty Distribution 1 Two Sum 2 5 array sort set Two Pointers 2 Add Two Numbers 3 4 linked list Two Pointers Math 3 Longest Substring Without Repeating Characters 3 2 string Two Pointers hashtable 4 Median of Two Sorted Arrays 5 3 array Binary Search 5 Longest ...
Can you solve this real interview question? Happy Number - Write an algorithm to determine if a number n is happy. A happy number is a number defined by the following process: * Starting with any positive integer, replace the number by the sum of the