My code will have a flaw that takes much time when uses s3,s4..sn.So may you give me a new method to fix that code to be more ea

Question

#include<stdio.h>
#include<string.h>
typedef struct{
int age;
float mark;
char name[20];
}student;

int main(){
student s1,s2;
scanf(" %d%f%s",&s1.age,&s1.mark,s1.name);
printf("age sv1: %d\n",s1.age);
printf("mark sv1: %.2f\n",s1.mark);
printf("namesv1: %s\n",s1.name);
scanf(" %d%f%s",&s2.age,&s2.mark,s2.name);
printf("age sv2: %d\n",s2.age);
printf("mark sv2: %.2f\n",s2.mark);
printf("name sv2: %s\n",s2.name);

return 0;
}