[Wiki] Tạo 1 danh sách học sinh trong lớp học với struct

HEADER FILE
hocsinh.h

#pragma once
#include <iostream>
#include <string>
using namespace std;
#pragma pack(1)

struct hocsinh
{
	char maSo[30];
	char tenHS[30];
	float diemToan, diemLy, diemHoa;
};
typedef struct hocsinh HOCSINH;
void nhapThongTinHocSinh(HOCSINH *);
void xuatThongTinHocSinhL(HOCSINH *);
float tinhDiemTrungBinh(HOCSINH *);

danhsach.h

#pragma once
#include "hocsinh.h"
#pragma pack(1)
struct lopHoc
{
	HOCSINH *mang;
	int soLuong;
};
typedef struct lopHoc LOPHOC;
void nhapDanhSachLopHoc(LOPHOC *);
void xuatDanhSachLopHoc(LOPHOC *);

SOURCE FILE
hocsinh.cpp

#include"hocsinh.h"

void nhapThongTinHocSinh(HOCSINH *x)
{
	fflush(stdin);
	cout << "
Nhap ma so hoc sinh:";
	gets_s(x->maSo);
	fflush(stdin);
	cout << "
Nhap ten hoc sinh :";
	gets_s(x->tenHS);
	do 
	{
		cout << "
Moi ban nhap diem Hoa cho hoc sinh :";
		cin >> x->diemHoa;
		if (x->diemHoa<0 || x->diemHoa>10)
		{
			cout << "
Diem Hoa ban nhap ko hop le vui long kiem tra lai!!!";
		}
	} while (x->diemHoa<0||x->diemHoa>10);
	do
	{
		cout << "
Moi ban nhap diem Ly cho hoc sinh :";
		cin >> x->diemLy;
		if (x->diemLy<0 || x->diemLy>10)
		{
			cout << "
Diem Ly ban nhap ko hop le vui long kiem tra lai!!!";
		}
	} while (x->diemLy<0 || x->diemLy>10);
	do
	{
		cout << "
Moi ban nhap diem Toan cho hoc sinh :";
		cin >> x->diemToan;
		if (x->diemToan<0 || x->diemToan>10)
		{
			cout << "
Diem Toan ban nhap ko hop le vui long kiem tra lai!!!";
		}
	} while (x->diemToan<0 || x->diemToan>10);

}
void xuatThongTinHocSinhL(HOCSINH *x)
{
	cout << "
		Thong tin hoc sinh : 
";
	cout << "
Ma so hoc sinh : " << x->maSo;
	cout << "
Ten hoc sinh : " << x->tenHS;
	cout << "
Diem toan : " << x->diemToan;
	cout << "
Diem Ly : " << x->diemLy;
	cout << "
Diem Hoa : " << x->diemHoa;
	float diemTrungBinh = tinhDiemTrungBinh(x);
	cout << "
Diem trung binh : " << diemTrungBinh;
}
float tinhDiemTrungBinh(HOCSINH *x)
{
	return (x->diemHoa + x->diemLy + x->diemToan) / 3;
}

danhsach.cpp

#include "danhsach.h"
void nhapDanhSachLopHoc(LOPHOC *x)
{
	for (int i = 0; i < x->soLuong; ++i)
	{
		cout << "
Nhap thong tin hoc sinh thu : " << i + 1;
		nhapThongTinHocSinh(&(x->mang[i]));
	}
}
void xuatDanhSachLopHoc(LOPHOC *x)
{
	for (int i = 0; i < x->soLuong; ++i)
	{
		cout << "
Nhap thong tin hoc sinh thu : " << i + 1;
		xuatThongTinHocSinhL(&(x->mang[i]));
	}
}

main.cpp

#include "danhsach.h"

int main(int argc, char **argv)
{
	LOPHOC *x = new LOPHOC;
	do 
	{
		cout << "
Nhap so luong cac hoc sinh";
		cin >> x->soLuong;
		if (x->soLuong < 0)
		{
			cout << "
So luong ban nhap ko hop le xin vui long kiem tra lai!!!";
		}
	} while (x->soLuong<0);
	x->mang = new HOCSINH[x->soLuong];
	nhapDanhSachLopHoc(x);
	xuatDanhSachLopHoc(x);
	system("pause");
	return 0;
}