动态构造学生管理系统

#include<stdio.h>
#include<malloc.h>
#include<string.h>
//动态构造学生管理系统

struct Student
{
    int age;
    float score;
    char name[100];
};
int main(void)
{
    int len;
    struct Student * pArr;
    int i,j;
    struct Student t;
    //动态的构造一维数组
    printf("请输入学生个数：\n");
    printf("len=");
    scanf("%d",&len);
    pArr = (struct Student *)malloc(len*sizeof(struct Student));
    //输入
    for(i=0;i<len;i++)
    {
        printf("请输入第%d个学生信息：\n",i+1);
        printf("age=");
        //scanf("%d",&(*(pArr+i).age));
        scanf("%d",&(pArr[i].age));
        
        printf("score=");
        scanf("%f",&(pArr[i].score));
        
        printf("name=");
        scanf("%s",pArr[i].name);//name是数组名，本身是数组首元素地址，所以不需要加&
    }
    //冒泡排序
    for(i=0;i<len-1;i++)
    {
        for(j=0;j<len-1-i;j++)
        {
            if(pArr[i].score>pArr[i+1].score)
            {
                t=pArr[i];
                pArr[i]=pArr[i+1];
                pArr[i+1]=t;
            }
        }
    }
    //输出
    for(i=0;i<len;i++)
    {
        printf("第%d个学生信息：\n",i+1);
        printf("age=%d\n",pArr[i].age);
        
        printf("score=%f\n",pArr[i].score);
 
        printf("name=%s\n",pArr[i].name);
    }
    
    return 0;
}