编程输入3个学生的学号、姓名、三门课程的成绩,统计每总分,然后比较最大值最小值,输出打印,

结构体实现的。急急急啊~
2025-02-26 07:54:47
推荐回答(1个)
回答1:

我曾经回答过一个问题,和你的类似。 题目如下,你可以参考一下:

/*

从键盘输入38个学生的基本数据,包括学号,姓名,性别以及3门课程的单科成绩。

(1) 计算每个学生3门课程的总分和平均成绩;

(2) 找出每门课程中成绩最好和成绩最差的学生,并输出这些学生的基本数据;

(3) 3门课程总成绩按由高分到低分的顺序排序,输出排序后的学生的基本数据。

*/

/*
VC++ 6.0测试通过。 键盘输入问题没解决,你自己去解决。 主要是要注意输入字符串的问题,特别是用scanf函数进行字符串输入的时候。我下面写的那个从键盘输入数据有问题,所以被我注释了。

还有我只用了5个学生做测试,你要用38个的话,把SIZE改成38,在数组初始化的时候初始化38个数据就行了。

学生的性别,我用'n'表示男,'v'表示女

Turbo C 2.01 测试通过,不过输出的信息比较多,我这边Turbo C查看运行结果是不能滚屏,所以显示不全,不知道你那边怎样

*/
#include
#define SIZE 5

struct student
{
int num;
char name[100];
char sex;
double score1;
double score2;
double score3;
};

/* 输出学生信息 */
void print_student(struct student stu)
{
printf("num:%d\nname:%s\nsex:%c\nscore1:%f\nscore2:%f\nscore3:%f\n\n\n",stu.num,stu.name,stu.sex,stu.score1,stu.score2,stu.score3);
}

/* ---------------------------------------- */

/* 求每个学生三门课程的总分。 */
double score_Sum(struct student stu)
{
double sum=stu.score1;
sum+=stu.score2;
sum+=stu.score3;
return sum;
}

/* ---------------------------------------- */

/* 每个学生三门课的平均成绩 */
double scoreAvg(struct student stu)
{
return (score_Sum(stu)/3.0);
}

/* ---------------------------------------- */

/* 求score1最高和最低的学生 */
void score1(struct student stu[])
{
double min=stu[0].score1,max=stu[0].score1;
int index_min=0,index_max=0,i;
for(i=0;i {
if(min>stu[i].score1)
{
min=stu[i].score1;
index_min=i;
}
if(max {
max=stu[i].score1;
index_max=i;
}
}
printf("score1 max:\n");
print_student(stu[index_max]);
printf("score1 min:\n");
print_student(stu[index_min]);
}

/* ---------------------------------------- */

/* 求score2最高和最低的学生 */
void score2(struct student stu[])
{
double min=stu[0].score2,max=stu[0].score2;
int index_min=0,index_max=0,i;
for(i=0;i {
if(min>stu[i].score2)
{
min=stu[i].score2;
index_min=i;
}
if(max {
max=stu[i].score2;
index_max=i;
}
}
printf("score2 max:\n");
print_student(stu[index_max]);
printf("score2 min:\n");
print_student(stu[index_min]);
}

/* ---------------------------------------- */

/* 求score3最高和最低的学生 */
void score3(struct student stu[])
{
double min=stu[0].score3,max=stu[0].score3;
int index_min=0,index_max=0,i;
for(i=0;i {
if(min>stu[i].score3)
{
min=stu[i].score3;
index_min=i;
}
if(max {
max=stu[i].score3;
index_max=i;
}
}
printf("score3 max:\n");
print_student(stu[index_max]);
printf("score3 min:\n");
print_student(stu[index_min]);
}

/* ---------------------------------------- */

/* 按总分从高到低排序,并输出学生信息 */
void sortAndPrint(struct student stu[])
{
int i,j;
for(j=0;j {
for(i=j;i {
if(score_Sum(stu[i]) {
struct student stu_t=stu[i];
stu[i]=stu[i+1];
stu[i+1]=stu_t;
}
}
}
for(i=0;i {
print_student(stu[i]);
}
}

/* ---------------------------------------- */

void main()
{
int i;
struct student stu[SIZE]=
{
{123456,"wangqiguo",'n',98,96,85},
{14523,"zhangsan",'v',98,85,74},
{15632,"lisi",'n',96,85,86},
{12563,"huliu",'v',85,96,86},
{12563,"zhujiang",'n',98,98,96}
};

/* 循环输入,这个有点问题,主要是输入格式方面我直接在程序里面进行的初始化,所以要从键盘里面输入的话,你要自己写了 */

/*
for(i=0;i {
printf("please input num,name,sex,score1,score2,score3 in stu[%d]:\n",i);
scanf("%d,%s,%c,%f,%f,%f",&stu[i].num,stu[i].name,&stu[i].sex,&stu[i].score1,&stu[i].score2,&stu[i].score3);
printf("\n");
}*/

/* 输出每个学生的总成绩和平均成绩 */
for(i=0;i {
printf("stu[%d] sum:%f,avg:%f\n",i,score_Sum(stu[i]),scoreAvg(stu[i]));
}

printf("\n\n\n\n\n-------------------------------------------------\n\n\n\n\n");

/* 分别输出score1、score2、score3科目的最高分,和最低分学生信息 */
score1(stu);
score2(stu);
score3(stu);

printf("\n\n\n\n\n-------------------------------------------------\n\n\n\n\n");

/* 按照总分高低顺序排序并输出 */
sortAndPrint(stu);

}

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