通讯录排序:建立一个通讯录,输入n(n<10)个朋友的信息,包括姓名、生日、电话号码,生日包括三项:年、月、日。按照年龄从大到小的顺序依次输出通讯录。
请问我该怎么改啊
#include<stdio.h>
struct birth
{
int year,month,day;
};
struct friendlist
{
char name[20];
struct birth birthday;
char tel[11];
};
void input(struct friendlist f[],int n)
{
for(int i=0;i<n;i++)
{
scanf("%s",&f[i].name);
scanf("%d %d %d",&f[i].birthday.year,&f[i].birthday.month,&f[i].birthday.day);
scanf("%s",&f[i].tel);
}
}
void output(struct friendlist f[],int n)
{
for(int i=0;i<n;i++)
{
printf("%s",f[i].name);
printf("%d年%d月%日",f[i].birthday.year,f[i].birthday.month,f[i].birthday.day);
printf("%s",f[i].tel);
printf("\n");
}
}
void sort(struct friendlist f[],int n)
{
for(int i=0;i<n-1;i++)
{
int t;
if(f[i].birthday.year*365+f[i].birthday.month*30+f[i].birthday.day>f[i+1].birthday.year*365+f[i+1].birthday.month*30+f[i+1].birthday.day)
{
t=f[i];
f[i]=f[i+1];
f[i+1]=t;
}
}
int main(void)
{
struct friendlist friends[10];
int n;
scanf("%d",&n);
input(friends,n);
sort(friends,n);
output(friends,n);
return 0;
}