python/TangDou/XiTi/1357.cpp

#include <bits/stdc++.h>

using namespace std;
struct Student {
    string num;
    float score;
};

//对比的方法
/*
 用大于号就是从大到小排序,用小于号就是从小到大排序
*/
bool compare(const Student &x, const Student &y) {
    return x.score > y.score;
}


int main() {
    int n, k;
    cin >> n >> k;
    //创建动态数组
    Student *s = new Student[n];
    for (int i = 0; i < n; ++i) {
        cin >> s[i].num >> s[i].score;
    }
    //排序
    sort(s, s + n, compare);
    //输出
    cout << s[k - 1].num << " " << s[k - 1].score << endl;
    //释放内存
    delete[]s;
    return 0;
}