C++笔记

C++结构体简单运用

最近从头复习一下c++知识点,随便分享下一些代码~~~

#include <iostream>
#include <cstring>
#include <algorithm>
#include <ctime>
#include<stdlib.h>

using namespace std;

// srand((unsigned int)time(NULL));

struct Student
{
    string sName;
    int score;
};

struct Teacher
{
    string tName;
    struct Student sArray[5];
};

void Init(struct Teacher tArray[],int len)
{
    string Nameseed = "ABCDE";
    for(int i = 0;i < len;i++)
    {
        tArray[i].tName = "Teacher_";
        tArray[i].tName += Nameseed[i];
        for(int j = 0;j < 5;j++)
        {
            tArray[i].sArray[j].sName = "Student_";
            tArray[i].sArray[j].sName += Nameseed[i];
            tArray[i].sArray[j].score = rand() % 61 + 40;
        }
    }
}

void print_all(struct Teacher tArray[],int len)
{
    for(int i = 0;i < len;i++)
    {
        cout<<"老师姓名："<<tArray[i].tName<<endl;
        for (int j = 0; j < 5;j ++)
        {
            cout<<"学生姓名 : "<<tArray[i].sArray[j].sName<<"考试分数 : "<<tArray[i].sArray[j].score<<endl;
        }
    }
}

int main()
{
    srand((unsigned int)time(NULL) + clock());
    Teacher tArray[3];
    int len = sizeof(tArray) / sizeof(tArray[0]);
    Init(tArray,len);
    print_all(tArray,len);
    return 0;
}

#include<iostream>
#include<cstring>
#include<ctime>
#include<stdlib.h>

using namespace std;

struct hero
{
    string name;
    int old;
    string sex;
};


void Init(hero a[],int len)
{
    string seed[5] = {"刘备","关羽","张飞","赵云","貂蝉"};
    string sexy[5] = {"男","男","男","男","女"};
    for(int i = 0;i < 5;i++)
    {
        a[i].name = seed[i];
        a[i].old = rand() % 40 + 10;
        a[i].sex = sexy[i];
    }
}

void Bubble_sort(hero a[],int len)
{
    for(int i = 0;i < len - 1;i++)
    {
        for(int j = 0;j < len - i - 1;j++)
        {
            if(a[j].old > a[j + 1].old)
            {
                int temp = a[j + 1].old;
                a[j + 1].old = a[j].old;
                a[j].old = temp;
            }
        }
    }
}

void print_all(hero a[],int len)
{
    for(int i = 0;i < 5;i++)
    {
        cout<<"英雄名 : "<<a[i].name<<" 年龄 : "<<a[i].old<<" 性别 : "<<a[i].sex<<endl;
    }
}

int main()
{
    srand((unsigned)time(NULL) + clock());
    hero a[5];
    int len = sizeof(a) / sizeof(a[0]);
    Init(a,len);
    print_all(a,len);
    cout<<endl;
    Bubble_sort(a,len);
    print_all(a,len);
    return 0;
}