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80分求助!
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to_enter_CASA楼主2021/8/31 21:46
#include<bits/stdc++.h>
using namespace std;
struct volunteer{
	int num,score;
}a[5005];
bool cmp(volunteer a,volunteer b){
	if(a.score>b.score)return 1;
	if(a.score==b.score&&a.num<b.num)return 1;
	return 0;
}
int main(){
	int n,m,ans=0;
	cin>>n>>m;
	for(int i=0;i<n;i++){
		cin>>a[i].num>>a[i].score;
	}
	sort(a,a+n,cmp);
	m=floor(1.5*m);
	int s=a[m].score;
	for(int i=0;i<n;i++){
		if(a[i].score>=s)ans++;
	}
	cout<<s<<" "<<ans<<endl;
	for(int i=0;i<ans;i++){
		cout<<a[i].num<<" "<<a[i].score<<endl;
	}
	return 0;
}
2021/8/31 21:46
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