题解 | 成绩排序

#include <bits/stdc++.h>
#include <vector>
using namespace std;

struct SC {
    string name;
    int age;
    int score;
    SC(string name, int age, int score): name(name), age(age), score(score) {}
};

bool compare(SC a,SC b){
    if(a.score==b.score){
        if(a.name==b.name)return a.age<b.age;
        else return a.name<b.name;
    }else return a.score<b.score;
}

int main() {
    int n;
    while (cin >> n) {
        vector<SC>a;
        for (int i = 0; i < n; i++) {
            string name;
            int age, score;
            cin >> name >> age >> score;
            a.push_back(SC(name,age,score));
        }
        sort(a.begin(),a.end(),compare);
        for(auto x:a)cout<<x.name<<" "<<x.age<<' '<<x.score<<endl;
    }
}

自定义排序