@[yyz_100110](/user/926838)
>如果有两个同学生日相同,输入靠后的同学先输出。
by ryf20100124 @ 2023-08-20 16:20:17
@[yyz_100110](/user/926838)
```cpp
bool cmp(stu x,stu y){
if (x.a!=y.a)return x.a<y.a;
if (x.b!=y.b)return x.b<y.b;
if (x.c!=y.c)return x.c<y.c;
return x.num>y.num;
}
```
by ryf20100124 @ 2023-08-20 16:21:34
你的cmp为什么这么写?
```cpp
if(a.y!=b.y)
{
return a.y<b.y;
}
else if(a.y==b.y&&a.m!=b.m)
{
return a.m<b.m;
}
else if(a.y==b.y&&a.m==b.m&&a.d!=b.d)
{
return a.d<b.d;
}
else if(a.y==b.y&&a.m==b.m&&a.d==b.d)
{
return a.num>b.num;
}
```
by xiazeyu123 @ 2023-08-20 16:21:40
@[yyz_100110](/user/926838)
by xiazeyu123 @ 2023-08-20 16:23:09
@[xiazeyu123](/user/932516) ~~这是我的程序上的~~
by ryf20100124 @ 2023-08-20 16:23:22
@[ryf20100124](/user/761649) @[xiazeyu123](/user/932516) 已AC 谢谢,已关(~~可不可以互关~~)
by yyz_100110 @ 2023-08-20 16:35:31