我的学习记录37

2017.11.16李锦浩【第37天】

今天又根据书上的例子，打了一个关于结构链表的程序。另外，我今天温习了昨天所学的关于类的知识，还往下学习了构造和构析函数，大略知道了他们的用处。从今天开始我准备开始下载安卓studio以学习关于制作安卓APP的知识。

附：

//biaotou,h

#pragma once

#include<iostream>

using namespace std;

struct Node

{

         int x;

         int y;

         Node*next;

};

void Input(Node*&head)

{

         cout << "请按顺时钟方向输入四边形的个个点坐标";

         Node*s, *p;

         s = new Node;

         p = new Node;

         cout << "x=";

         cin >> s->x;

         cout << "y=";

         cin >> s->y;

         for (int n = 1; n <= 4; n++)

         {

                  if (head ==NULL)

                  {

                          head = s;

                          p = s;

                          head->next = p;

                  }

                  else

                  {

                          cout <<"x=";

                          cin >> s->x;

                          cout <<"y=";

                          cin >> s->y;

                          p->next = s;

                          p = s;

                  }

         }

         p->next = NULL;

         delete s;

         delete p;

}

void judge(Node*head)

{

         int a[4][2];

         for (int i = 0; i < 4; i++)

         {

                  a[i][0]= head->x;

                  a[i][1]= head->y;

                  head = head->next;

         }

         if (a[0][0] == a[1][0] && a[2][0] == a[3][0])

                  if (a[0][1] == a[1][1] && a[2][1] == a[3][1])

                          cout <<"正方形";

                  else

                          cout <<"矩形";

         if (a[0][1] == a[1][1] && a[2][1] == a[3][1])

                  if (a[0][0] == a[1][0] && a[2][0] == a[3][0])

                          cout <<"正方形";

                  else

                          cout <<"矩形";

         else

                  cout << "其他四边形";

}

//YUAN.CPP

#include<iostream>

#include"标头.h"

using namespace std;

int main()

{

         Node *head;

         head = NULL;

         Input(head);

         judge(head);

         system("pause");

         return 0;

}

明日任务，继续学习类的知识和温习结构的知识。