怪问题讨论

#include<bits/stdc++.h>
using namespace std;
int n;
struct Stu
{
	string name;
	int year;
	int month;
	int day;
	int id;
}a[105];
bool cmp(Stu x,Stu y)
{
	if(x.year!=y.year) return x.year<y.year;
	else if(x.month!=y.month) return x.month<y.month;
	else if(x.day!=y.day)return x.day<y.day;
	return x.id>y.id;
}
int main()
{
	scanf("%d",&n);
	for(int i=0;i<n;i++)
	{
		cin>>a[i].name;
		scanf("%d%d%d",&a[i].year,&a[i].month,&a[i].day);
		a[i].id=i;
	}
	sort(a,a+n,cmp);
	for(int i=0;i<n;i++)
		cout<<a[i].name<<endl;
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int n;
struct Stu
{
	string name;
	int year;
	int month;
	int day;
	int id;
}a[105];
bool cmp(Stu x,Stu y)
{
	if(x.year!=y.year) return x.year<y.year;
	else if(x.month!=y.month) return x.month<y.month;
	else if(x.day!=y.day)return x.day<y.day;
	else return x.id>y.id;
}
int main()
{
	scanf("%d",&n);
	for(int i=0;i<n;i++)
	{
		cin>>a[i].name;
		scanf("%d%d%d",&a[i].year,&a[i].month,&a[i].day);
		a[i].id=i;
	}
	sort(a,a+n,cmp);
	for(int i=0;i<n;i++)
		cout<<a[i].name<<endl;
	return 0;
}