Bai7.cpp -...

#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<windows.h>
struct Sinhvien
{
char Ten[21];
};
int n = 0;
void Nhapsinhvien(Sinhvien st[]);
void Xuatsinhvien(Sinhvien st[]);
int Timsinhvien(Sinhvien st[]);
void Sxsinhvien(Sinhvien st[]);
void Menu(int &chon);
int main()
{
int chon;
Sinhvien st[100];
do
{
system("CLS");
Menu(chon);
switch (chon)
{
case 1: Nhapsinhvien(st); break;
case 2: Xuatsinhvien(st); break;
case 3:
{
int a = Timsinhvien(st);
if (a >= 0)
printf("Tim thay sv tai vi tri %d", a + 1);
else
printf("Khong tim thay");
break;
}
case 4: Sxsinhvien(st);
Xuatsinhvien(st); break;
case 0: break;
default: printf("Chon sai chuc nang!!!"); break;
}
getch();
}while (chon != 0);
return 0;
}
void Menu(int &chon)
{
printf("=======MENU============================\n");
printf("1. Nhap sinh vien |\n");
printf("2. In danh sach sinh vien |\n");
printf("3. Tim sinh vien neu co in ra man hinh |\n");
printf("4. Sap xep sinh vien tang dan