哪错了啊家人们#include <stdio.h>struc

#include <stdio.h>
struct student
{
int no;
double usual;
double end;
double score;
};
void input(struct student * q)
{
for(int i=0;i<3;i++)
{
scanf("%d%lf%lf",&(q[i].no),&(q[i].usual),&(q[i].end));
q[i].score=(q[i].usual*0.4)+(q[i].end*0.6);
}
}
void output(struct student * q)
{
for(int i=0;i<3;i++)
{
printf("学号为：%d\n总成绩为:%lf\n",q[i].no,q[i].score);
}
}
int main()
{
struct student stu[3];
input(stu);
output(stu);
}