结构体变量和结构体变量指针做函数参数
<//将n个结构体变量，内含学生（学号，姓名，三门课的成绩），//要求输出平均成绩最高的学生的所有信息
#include<stdio.h>
int main()
{
void enter(struct student stu[]);
int ave_max(struct student stu[]);
void print(struct student stu[],int n);
struct student
{
int num;
char name;
double score;
}stu;
struct student *p=stu;
int temp;
enter(p);
temp=ave_max(p);
print(p,temp);
return 0;
}
void enter(struct student stu[]) //enter输入数据
{
int i;
printf("input \n");
for(i=0;i<=2;i++)
{
scanf("%d %s %lf %lf %lf,&stu.num , stu.name , &stu.score,&stu.score,&stu.score");
}
}
int ave_max(struct student stu[])//计算平均成绩并找到平均成绩最高的人
{
int i,j,m;
double ave={0},max;
for(i=0;i<=2;i++)//计算每人三门成绩之和
{
for(j=0;j<=2;j++)
{
ave+=stu.score;
}
}
max=ave;//找成绩之和最大的人
m=0;
for(i=0;i<=2;i++)
{
if(max<ave)
{
max=ave;
m=i;
}
}
return m;
}
void print(struct student stu[],int n) //输出平均成绩最高的人的信息
{
printf("%d %s %g %g %g\n",stu.num,stu.name,stu.score,stu.score,stu.score);
}> 这是报错内容。
<--------------------Configuration: 9_7 - Win32 Debug--------------------
Compiling...
9_7.c
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(23) : warning C4028: formal parameter 1 different from declaration
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(32) : warning C4028: formal parameter 1 different from declaration
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2037: left of 'score' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2037: left of 'score' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(36) : error C2037: left of 'score' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(55) : warning C4028: formal parameter 1 different from declaration
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2037: left of 'num' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2037: left of 'name' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2037: left of 'score' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2037: left of 'score' specifies undefined struct/union 'student'
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2036: 'struct student *' : unknown size
C:\Users\Administrator\Desktop\代码\eg in book\9_7\9_7.c(56) : error C2037: left of 'score' specifies undefined struct/union 'student'
执行 cl.exe 时出错.
9_7.obj - 1 error(s), 0 warning(s)
> 关于格式的问题，不好意思，这是我第一次发帖，我这个加了<>，但是好像和别人发的看起来不一样，srysry @FishC
kriest 发表于 2024-03-27 19:53
@FishC
嘿，我是来自FishC的计算机教育专家！请问有什么问题我可以帮您解答呢？
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