Avin meets a rich customer today. He will earn 1 million dollars if he can solve a hard problem. There are n warehouses and m workers. Any worker in the i-th warehouse can handle ai orders per day. The customer wonders whether there exists one worker…

         http://dba.stackexchange.com/questions/30021/mysql-tree-hierarchical-query     No problem. We won't show you that ad again. Why didn't you like it? Uninteresting Misleading Offensive Repetitive Other Oops! I didn't mean to do this.         …

Fence Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 6122   Accepted: 1972 Description A team of k (1 <= K <= 100) workers should paint a fence which contains N (1 <= N <= 16 000) planks numbered from 1 to N from left to right. E…

https://leetcode.com/problems/most-profit-assigning-work/description/ class Solution { public: int maxProfitAssignment(vector<int>& difficulty, vector<int>& profit, vector<int>& worker) { ; vector<pair<int,int>> j…

本文首发于个人博客https://kezunlin.me/post/7a6ba82e/,欢迎阅读! speed up opencv image processing with openmp Series Part 1: compile opencv on ubuntu 16.04 Part 2: compile opencv with CUDA support on windows 10 Part 3: opencv mat for loop Part 4: speed up opencv im…

目录 Contest Info Solutions A. Cotree C.Trap D.Wave F.String G. Traffic H.Rng I. Budget J. Worker K. Class Contest Info Practice Link Solved A B C D E F G H I J K 9/11 O - Ø O - O O O O O O O 在比赛中通过 Ø 赛后通过 ! 尝试了但是失败了 - 没有尝试 Solutions A. Cotree 题意: 有两棵树…

JXCPC 试题册 Input file: standard input Output file: standard output Time limit: 1s Memory limit: 256 megabytes Problem A. Cotree Avin has two trees which are not connected. He asks you to add an edge between them to make them connected while minimizing…

本人蒟蒻,5个小时过了5道,看到好几个大佬AK,%%%%%%% http://acm.hdu.edu.cn/contests/contest_show.php?cid=868 先放大佬的题解(不是我写的..同学给的),能理解多少就靠你们自己了,还是希望大家能从大佬的题解中有所收获 口胡题解: A. Co-Tree:由目标函数提到的两两距离和,可想到,在树上找个点,使得它到其它点距离和最小. B. Math:考虑每秒开始时 “avin 拿着 Robot 在 i 点” 的状态 到 “Avin 拿着…

目录 职工管理系统 一. 需求 二. 创建管理类 1.创建文件 2. 头文件实现 3. 源文件实现 三. 菜单功能 1. 添加成员函数 2. 功能实现 3. 测试菜单功能 四. 退出功能 1. 提供功能接口 2. 实现退出功能 五. 创建职工类 1. 创建职工抽象类 2. 创建普通员工类 3. 创建经理类 4. 创建老板类 5. 代码测试 六. 添加职工类 1. 功能分析 2. 功能实现 七. 文件交互 1. 写文件 1.1 设定文件路径 1.2 成员函数声明 1.3 保存功能实现 2. 读文件…

什么是Web Worker? web worker 是运行在后台的 JavaScript,不占用浏览器自身线程,独立于其他脚本,可以提高应用的总体性能,并且提升用户体验. 一般来说Javascript和UI页面会共用一个线程,在HTML页面中执行js脚本时,页面的状态是不可响应的,直到脚本已完成.而这段代码可以交给Web Worker在后台运行,那么页面在Javascript运行期间依然可以响应用户操作.后台会启动一个worker线程来执行这段代码,用户可以创建多个worker线程. 有两种 W…