Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123Outpu...
Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123Outpu...
The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows li...
Given a string s, find the longest palindromic substring in s. You may assume that the ...
synchronized关键字可以设置同步方法和同步块,同步方法会对调用对象this上锁,所有线程进入前都需要获取这个锁,这里我拿一个错误样例来做示范 Thread-0取出8...
下面将会针这张图对线程的状态转换来做解释 在操作系统的课程中把线程大致分为了3个状态1.就绪状态(线程对资源上锁,但未分配时间片,等待cpu分配,随时可以运行)2.运行状态(...
16题目描述统计出当前各个title类型对应的员工当前薪水对应的平均工资。结果给出title以及平均工资avg。CREATE TABLE salaries (emp_no i...
There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the medi...
11.题目描述获取所有员工当前的manager,如果当前的manager是自己的话结果不显示,当前表示to_date='9999-01-01'。结果第一列给出当前员工的emp...
Given a string, find the length of the longest substring without repeating characters. ...
题目地址https://www.nowcoder.com/activity/oj 6.查找所有员工入职时候的薪水情况,给出emp_no以及salary, 并按照emp_no进...
题目地址https://www.nowcoder.com/activity/oj 1.题目描述查找最晚入职员工的所有信息CREATE TABLE employees (emp...
You are given two non-empty linked lists representing two non-negative integers. The di...
Given an array of integers, return indices of the two numbers such that they add up to ...