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#include <iostream>
using namespace std;

struct Student {
    long num;
    char name[10];
    float score;
};

class ScoreList {
private:
    Student data[100];
    int length;

public:
    ScoreList() {
        length = 5;
        data[0] = { 1001, "张三", 85 };
        data[1] = { 1002, "李四", 90 };
        data[2] = { 1003, "王五", 80 };
        data[3] = { 1004, "赵六", 95 };
        data[4] = { 1005, "孙七", 88 };
    }

    void del(long num) {
        for (int i = 0; i < length; i++) {
            if (data[i].num == num) {
                for (int j = i; j < length - 1; j++) {
                    data[j] = data[j + 1];
                }
                length--;
                break;
            }
        }
    }
    
    void insert(Student stu) {
        int pos = 0;
        while (pos < length && data[pos].score > stu.score) pos++;
        for (int i = length; i > pos; i--) {
            data[i] = data[i - 1];
        }
        data[pos] = stu;
        length++;
    }
    
    void output() {
        cout << "学号\t姓名\t分数" << endl;
        for (int i = 0; i < length; i++) {
            cout << data[i].num << "\t" << data[i].name << "\t" << data[i].score << endl;
        }
    }

};

int main() {
    long a;
    char b[10];
    float c;
    ScoreList list;
    list.output();
    cout << "删除一个学生，请输入学生学号" << endl;
    cin >> a;
    list.del(a);
    list.output();
    cout << "插入一个新学生（学号 姓名 分数 ）用空格隔开" << endl;
    cin >> a >> b >> c;
    Student newStu = { a, "", c };
    strcpy_s(newStu.name, b); // 使用 strcpy 函数复制字符串
    list.insert(newStu);
    list.output();
    return 0;
}