#include<bits/stdc++.h>
using namespace std;
struct persion{
	int d;
	int s;
}p[100];
bool cmp(persion a,persion b){
	return a.s>b.s;
}
int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>p[i].d>>p[i].s;
	} 
	sort(p,p+n,cmp);
	for(int i=0;i<3;i++)
		cout<<p[i].d<<" "<<p[i].s<<endl;
	return 0;
}

点击观看讲解视频

#include<bits/stdc++.h>
using namespace std;
struct xuanShou{
	int id; //编号 
	int score; //分数 
}xs[100];
bool cmp(xuanShou a,xuanShou b){
	if(a.score==b.score)
		return a.id<b.id;
	else
		return a.score>b.score;
}
int main(){ //
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>xs[i].id>>xs[i].score;
	}
	sort(xs,xs+n,cmp);
	for(int i=0;i<3;i++)
		cout<<xs[i].id<<" "<<xs[i].score<<endl;
	return 0;
}