#include <stdio.h>

typedef struct Stuendt{

    int no;
    char name[20];
    double score;
}student;
student s[20];
void student_enter(int n)
{
    int i;
    for(i=0;i<n;i++)
    {
        printf("please enter %d ",i+1);
        printf("please enter no:");
        scanf("%d",&s[i].no);

        printf("please ente name:");
        scanf("%s",&s[i].name);

        printf("please enter score:");
        scanf("%lf",&s[i].score);
    }
    printf("\n");

}
int main()
{
    int n;
    scanf("%d",&n);

    student_enter(n);
}

为啥只能输入一次呀