#include <bits/stdc++.h>
using namespace std;

int x;
struct node{
	int val;
	bool operator < (const node &x) const{return x.val<val;}
};
multiset<node> s;
multiset<node>::iterator it,it2; 

signed main(){
	for (int i=1;i<=4;i++){
		cin>>x;
		s.insert((node){x});
	}
	pair<multiset<int>::iterator,multiset<int>::iterator> PA=s.equal_range((node){x});
	s.erase(PA.first,PA.second);
	cout<<s.size()<<' '<<(*s.begin()).val<<' '<<(*s.end()).val<<endl;
	
	return 0;
}

请问是哪里错了 /kel /kel /kel