stru_ar04.cpp

来自「在c环境下的对数据结构进行讲解,包含有例题及答案」· C++ 代码 · 共 38 行

//stru_ar04.cpp						指向已存在的结构数组
#include <iostream.h>					//cout,cin
#include <iomanip.h>					//setw()
#include <conio.h>					//getch()
const int N=5;
struct rec
{ char seat[3];						//增加座号
  int chi,eng,math,total;
  float ave;
};
void main()
{ rec *student,a[N];
  student = a;						//指向已存在的结构数组
  int i;
  for (i=0;i<N;i++)
  { cout <<"第"<<i<<"位座号=";cin >> (student+i)->seat;//指针方式
    cout <<"第"<<i<<"位 chi=";cin >> student[i].chi;
    cout <<"第"<<i<<"位 eng=";cin >> (student+i)->eng;
    cout <<"第"<<i<<"位math=";cin >> (student+i)->math;
  }
  for (i=0;i<N;i++)
  
{ (student+i)->total=(student+i)->chi+(student+i)->eng+(student+i)->math;
      (student+i)->ave=(student+i)->total/3.0;		//求平均
  }
  cout << "学生的成绩:\n";
  cout <<"座号 语文 英语 数学 总分 平均\n";			//输出各字段分数
  for (i=0;i<N;i++)
  { cout<<setw(3)<<student[i].seat;
    cout<<setw(5)<<(student+i)->chi;
    cout<<setw(5)<<(student+i)->eng;
    cout<<setw(5)<<(student+i)->math;
    cout<<setw(5)<<(student+i)->total;
    cout<<setw(6)<<(student+i)->ave<<"\n";
  }
  getch();
}