测试数据
6 3
1000 90
3239 88
2390 95
7231 84
1005 95
1001 88
程序

#include<bits/stdc++.h>
using namespace std;
struct Person{
    int id,score;
    bool operator<(const Person &w) const{
        if(score!=w.score) return score>w.score;
        return id<w.id;
    }
}person[5010];
int main(){
    int n,m;
    cin>>n>>m;
    int nizhao=m*1.5;
    for(int i=0;i<n;i++){
        cin>>person[i].id>>person[i].score;
    }
    sort(person,person+n);
    for(int i=0;i<n;i++){
        cout<<person[i].id<<' '<<person[i].score<<endl;
    }
    return 0;
}