~cpp
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <functional>
using namespace std;
struct student{string name; int score;};
bool compare(student a, student b);
bool compare2(student a, student b);
void main()
{
student st[5];
st[0].name = "nj";
st[0].score = 76;
st[1].name = "jk";
st[1].score = 66;
st[2].name = "hj";
st[2].score = 78;
st[3].name = "gh";
st[3].score = 73;
vector<student> sp;
sp.push_back(st[1]);
sp.push_back(st[2]);
sp.push_back(st[3]);
sp.push_back(st[4]);
sort(sp.begin(), sp.end(), compare);
for(vector<student>::iterator i= sp.begin();i!=sp.end(); i++)
cout << i->name <<"\t"<< i->score << endl;
cout << "-------------------------------------"<<endl;
sort(sp.begin(),sp.end(),compare2);
for(i=sp.begin();i<sp.end();i++)
cout << i->name<<"\t"<<i->score<< endl;
}
bool compare(student a, student b);
{
return a.name < b.name;
}
bool compare2(student a, student b);
{
return a.score < b.score;
}