数据结构与算法—1、概述

• 一、什么是数据结构与算法分析
• • 1、数据结构
  • 2、算法
  • 3 、数据结构与算法的作用
• 二、数据结构
• • 1、数据之间的关系——逻辑结构
  • 2、关系在计算机上的存储——物理结构
  • 3、线性结构的物理存储方式
  • 4、树形结构的物理存储方式
  • 5、图形结构的物理存储方式
• 三、算法
• • 1、算法的五个特征：
  • 2、如何评价算法的好坏

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DataStructure = (D, L, S, O)数据元素（D）数据元素之间的逻辑关系(L)逻辑关系在计算机中的存储结构（S）所规定的操作（O）

      做一个番茄炒蛋的算法是什么。可能是下面这样的。第一步，准备食材。第二步，将鸡蛋打散炒熟捞起来。第三步，将番茄切块炒出汁。第四步，加盐、白糖和葱花，倒入鸡蛋炒匀。第五步，出锅。这五步就是制作番茄炒蛋的算法。