摘要： 【题目】Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a functio... 阅读全文

摘要： 【题目】Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3, You should return the following ... 阅读全文

摘要： 【题目】Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, ... 阅读全文

摘要： 一.有序数组的折半查找【步骤】① low=0,high=length-1; //初始值② 当low>high时，返回查找失败信息③ lowa[mid],low=mid+1; //查找在右半区 c.若key=a[mid],返回mid //查找成功【算法实现】public int bi... 阅读全文

摘要： 在项目中使用到了Timer，需要定时地执行某些功能。import java.util.Timer;import java.util.TimerTask;public class TestTimer { public static void main(String[] args) { ... 阅读全文