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#include <iostream>
using namespace std;

struct hoc_phan{
    string ID_HP;
    string ten_HP;
    int soTC_HP;
    float trong_so_QT;
    float trong_so_CK;
};

struct HPNode{
    hoc_phan HP_infor;
    HPNode* prev;
    HPNode* next;
};
typedef HPNode* DSHP;

struct sinh_vien{
    long int ID_SV;
    string name_SV;
    string class_SV;
    DSHP DS_HP_SV;

};

struct SVNode{
    sinh_vien SV_infor;
    SVNode* prev;
    SVNode* next;
};
typedef SVNode* DSSV;