——»†• CHƯƠNG TRÌNH QUẢN LÝ SINH VIÊN (ĐÃ HOÀN CHỈNH) !

#include <stdio.h>
#include <conio.h>
#include <math.h>
//==================================================
struct NGAY
{
int ng,th,n;
};
//==================================================
struct HOCSINH
{
char MAHS[10] , HOHS[30] , TENHS [10];
struct NGAY NGS;
char GTINH [5];
float dtoan , dly , dhoa , dtb;
};
typedef struct HOCSINH HSINH;
//==================================================
HSINH NHAP1PT ();
void IN1PT ( HSINH hs);
void NHAPDS ( HSINH hs [] , int n);
void XUATDS ( HSINH hs [] , int n);
//==================================================
void main()
{
HSINH hs[20] ;
int n , c;
char ch;
clrscr ();
do
{
clrscr ();
printf ( "\n\t ==========>:|: LE QUOC BINH + LE DUC TAI :|:<==========" );
printf ( "\n\t\t\t CHUONG TRINH DEMO CAU TRUC ! ");
printf ( "\n" );
printf ( "\n\t 1 : NHAP NOI DUNG CAC PHAN TU !");
printf ( "\n\t 2 : XUAT DANH SACH !");
printf ( "\n\t 0 : THOAT KHOI CHUONG TRINH !");
printf ( "\n\t BAN CHON CHUC NANG SO MAY? ");
scanf ( "%d", &c);
switch (c)
{
case 1:
{
printf ( "\n\t NHAP SO PHAN TU: ");
scanf ( "%d", &n);
printf ( "\n\t ==> NHAP NOI DUNG CAC PHAN TU !");
NHAPDS ( hs, n);
break;
}

case 2:
{
printf ( "\n\n\t ==> XUAT DANH SACH !");
XUATDS (hs, n);
}
}
printf ( "\n\t BAN CO MUON TIEP TUC KHONG ? (c/k)");
ch = getch();
}while ((ch=='c')||(ch=='C'));
getch();
}

//====================================================
HSINH NHAP1PT ()
{
HSINH hs ;
float x,y,z;
printf ( "\n\t NHAP MA HOC SINH: ");
fflush (stdin);
gets (hs.MAHS);
printf ( "\n\t NHAP HO HOC SINH: ");
gets (hs.HOHS);
printf ( "\n\t NHAP TEN HOC SINH: ");
gets (hs.TENHS);
printf ( "\n\t NHAP GIOI TINH HOC SINH: ");
gets (hs.GTINH);
//===========================================================
printf ( "\n\t NHAP NGAY SINH (ngay thang nam): " );
scanf ( "%d%d%d", &hs.NGS.ng ,&hs.NGS.th ,&hs.NGS.n);
//===========================================================
printf ( "\n\t NHAP DIEM TOAN: ");
scanf ( "%f" , &x);
hs.dtoan = x ;
printf ( "\n\t NHAP DIEM LY: ");
scanf ( "%f" , &y);
hs.dly = y ;
printf ( "\n\t NHAP DIEM HOA: ");
scanf ( "%f" , &z);
hs.dhoa = z ;
hs.dtb = (hs.dtoan * 2 + hs.dly + hs.dhoa) / 4;
return hs;
}

//===========================================================
void IN1PT (HSINH hs )
{
printf ( "\n\t HO VA TEN HOC SINH: %s %s ", hs.HOHS , hs.TENHS);
printf ( "\n\t MA HOC SINH: %s ", hs.MAHS);
printf ( "\n\t GIOI TINH HOC SINH: %s " , hs.GTINH );
printf ( "\n\t NGAY SINH: %d - %d - %d" ,hs.NGS.ng , hs.NGS.th , hs.NGS.n);
printf ( "\n\t DIEM MON HOC: \n\t TOAN: %5.2f \t LY: %5.2f \t HOA: %5.2f " ,hs.dtoan ,hs.dly , hs.dhoa);
printf ( "\n\t DIEM TRUNG BINH: %5.2f" , hs.dtb);
}

//==========================================================

void NHAPDS (HSINH hs[] ,int n)
{
for (int i = 0 ; i < n ; i++)
{
printf ( "\n\t NHAP NOI DUNG HOC SINH THU %d" , i+1);
hs[i] = NHAP1PT();
}
}

//=========================================================

void XUATDS (HSINH hs[] , int n)
{
for ( int i = 0 ; i < n ; i++)
{
printf ( "\n\n\t --->THONG TIN HOC SINH THU %d " , i + 1);
IN1PT(hs[i]);
}
}