AC，但样例过不了？？？

#include<iostream>
using namespace std;
struct student{
	string name;
	int age,mark;
}a[6];
int main()
{ 
	int n,i;
	cin>>n;
	for(i=1;i<=n;i++)
	cin>>a[i].name>>a[i].age>>a[i].mark,
	a[i].age++,a[i].mark*=1.2,a[i].mark=a[i].mark<=600?a[i].mark:600,
	cout<<a[i].name<<' '<<a[i].age<<' '<<a[i].mark<<endl;
}

#include<iostream>
using namespace std;
struct student{
	string name;
	int age,mark;
}a[6];
void f(student a)
{
	a.age++;
	a.mark*=1.2;
	if(a.mark>600)a.mark=600;
}
int main()
{ 
	int n,i;
	cin>>n;
	for(i=1;i<=n;i++)
	cin>>a[i].name>>a[i].age>>a[i].mark,
	cout<<a[i].name<<' '<<a[i].age<<' '<<a[i].mark<<endl;
}