结构体案例

#define _CRT_SECURE_NO_WARNINGS 1 
#include<iostream>
using namespace std;
#include<string>
#include<ctime>

struct Student
{
  string name;
  double score=0;
};
struct Teacher
{
  string name;
  struct Student S[5];
};

void print(struct Teacher T[], int len)
{
  for (int i = 0; i < len; i++)
  {
    cout << "老师姓名: " << T[i].name << endl;
    for (int j = 0; j < 5; j++)
    {
      cout << "\t学生姓名:" << T[i].S[j].name
        << " 学生分数:" << T[i].S[j].score << endl;
    }
  }
}
void assignment(struct Teacher T[], int len)
{
  string namenum = "ABCDE";
  //给老师赋值：
  for (int i = 0; i < len; i++)
  {
    T[i].name = "Teacher_";
    T[i].name += namenum[i];

    //通过老师给学生赋值：
    for (int j = 0; j < 5; j++)
    {
      T[i].S[j].name = "Student_";
      T[i].S[j].name += namenum[j];

      int random = rand() % 61 + 40;
      T[i].S[j].score = random;//给学生分数随机赋值
    }
  }
}

//一、有3名老师，每个老师带领5个学生,老师有姓名,学生有姓名和分数
int main()
{
  //创建随机数种子
  srand((unsigned int)time(NULL));

  //1、创建3名老师的数组
  struct Teacher T[3];

  //2、通过函数给老师 赋值，并通过老师给学生赋值
  int len = sizeof(T) / sizeof(T[0]);
  assignment(T, len);

  //3、打印老师和学生的信息
  print(T, len);
  return 0;
}