题解 | #成绩排序#

#include <iostream>
using namespace std;
#include <map>
#include <algorithm>
int main() {
    int a, b;
    cin>>a;
    cin>>b;
    multimap<int,string,greater<int>> m1;
    multimap<int,string> m2;
    for(int i=0;i<a;i++){
        int num;
        string name;
        cin>>name>>num;
        if(b==0){
            m1.insert(make_pair(num,name));
        }else{
            m2.insert(make_pair(num,name));
        }
    }if(b==0){
        for(multimap<int,string>::iterator it=m1.begin();it!=m1.end();it++){
            cout<<it->second<<" "<<it->first<<endl;
        }
    }else{
        for(multimap<int,string>::iterator it=m2.begin();it!=m2.end();it++){
            cout<<it->second<<" "<<it->first<<endl;
    }

}
}
// 64 位输出请用 printf("%lld")