stru_fun02.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 37 行

//stru_fun02.cpp		指针对指针
#include <iostream.h>	//cin,cout
#include <stdlib.h>	//random()
#include <conio.h>	//getch()
struct rec
{ int chi,eng,math,total;
  float ave;
};
//原型声明
void get_data(rec *);
void output_data(rec *);
void main()
{ rec *Bill;
  Bill = new rec;
  get_data(Bill);
  cout << "数据如下:\n";
  output_data(Bill);
  delete Bill;
  getch();
}
//get_data
void get_data(rec *a)
{ a->chi  = random(101);
  a->eng  = random(101);
  a->math = random(101);
  a->total = a->chi + a->eng + a->math;
  a->ave = a->total/3.0;
}
//output_data
void output_data(rec *a)
{ cout <<"语文="    <<a->chi;
  cout <<"\n英语="  <<a->eng;
  cout <<"\n数学=" <<a->math;
  cout <<"\n总分="<<a->total;
  cout <<"\n平均="  <<a->ave<<"\n";
}