0分求助，悬1关

#include <bits/stdc++.h>
using namespace std;
struct msz{
	int xh,fs;
}a[5005];
bool cmp(msz a,msz b){
	if(a.fs!=b.fs){
		return a.fs>b.fs;
	}else{
		return a.xh>b.xh;
	}
}
int main(){
	int n,m;
	cin >> n >> m;
	for(int i=1;i<=n;i++){
		cin >> a[i].xh >> a[i].fs;
	}
	sort(a+1,a+1+n,cmp);
	m=floor(m*1.5);
	int i=m+1;
	while(a[i].fs==a[m].fs){
		i++;
	}
	cout << a[m].fs << " " << i << endl;
	for(int j=1;j<=i-1;j++){
		cout << a[j].xh << " " << a[j].fs << endl;
	}
	return 0;
}