Bai 27: Viet lai bai 1 bang cach xay dung lop sinh vien BAI GIAI
#include
char mssv[5]; char tensv[50]; char msmh[5]; char tenmh[50]; float dtb;
}; class QLSV {
public: void Nhapsv(sinhvien a[], int n); void Insv(sinhvien a[], int n); void Sapxepsv(sinhvien a[], int n); void ThemCuoiDanhSach(sinhvien a[], int &n, sinhvien x); void ThemVaoBatKy(sinhvien a[], int &n, sinhvien x, int vitri); void ThemVaoBatKy_Soft(sinhvien a[], int &n, sinhvien x, int vitri); void XoaBatKy_Soft(sinhvien a[], int &n, int vitri); void TimKiemSinhVien(sinhvien a[], int n, sinhvien x); };
void QLSV::Nhapsv(sinhvien a[], int n) {
int i;
for(i=0;i cout<<"\nNhap sinh vien thu: "< } } void QLSV::Insv(sinhvien a[], int n)
{ int i;
cout<<"\n"< VIEN"< cout<<"\n"< for(i=0;i cout<<"\n"< void QLSV::Sapxepsv(sinhvien a[], int n)
{ int i,j;
sinhvien tg;
for(i=0;i for(j=i+1;j if(a[i].dtb>a[j].dtb)
{ tg=a[i];
a[i]=a[j];
a[j]=tg; } } } } void QLSV::ThemCuoiDanhSach(sinhvien a[], int &n, sinhvien x)
{ cout<<"\n\t+ Nhap ma sinh vien: ";
gets(x.mssv);
cout<<"\n\t+ Nhap ten sinh vien: ";
gets(x.tensv);
cout<<"\n\t+ Nhap ma mon hoc: "; cin>>x.msmh;
cout<<"\n\t+ Nhap ten mon hoc: ";
gets(x.tenmh);
cout<<"\n\t+ Nhap diem trung binh: ";
cin>>x.dtb;
a[n] = x;
n++; } void QLSV::ThemVaoBatKy(sinhvien a[], int &n, sinhvien x, int vitri)
{ cout<<"\n\t+ Nhap ma sinh vien: ";
gets(x.mssv);
cout<<"\n\t+ Nhap ten sinh vien: ";
gets(x.tensv);
cout<<"\n\t+ Nhap ma mon hoc: ";
cin>>x.msmh;
cout<<"\n\t+ Nhap ten mon hoc: ";
gets(x.tenmh);
cout<<"\n\t+ Nhap diem trung binh: ";
cin>>x.dtb;
a[n]=a[vitri];
a[vitri] = x;
n++; }
void QLSV::ThemVaoBatKy_Soft(sinhvien a[], int &n, sinhvien x, int vitri)
{ cout<<"\n\t+ Nhap ma sinh vien: ";
gets(x.mssv);
cout<<"\n\t+ Nhap ten sinh vien: ";
gets(x.tensv);
cout<<"\n\t+ Nhap ma mon hoc: ";
cin>>x.msmh;
cout<<"\n\t+ Nhap ten mon hoc: ";
gets(x.tenmh);
cout<<"\n\t+ Nhap diem trung binh: ";
cin>>x.dtb;
for (int i=n-1; i>vitri; i--)
{ a[i] = a[i-1];
a[vitri] = x; }
n++; }
void QLSV::XoaBatKy_Soft(sinhvien a[], int &n, int vitri)
{ for (int i=vitri; i }
void QLSV::TimKiemSinhVien(sinhvien a[], int n, sinhvien x)
{ cout<<"\n"< VIEN"< cout<<"\n"< for (int i=0; i if (strcmp(a[i].tensv,x.tensv)==0)
{ cout<<"\n"< void main()
{ int n, chon,vitri;
char c;
QLSV sv;
sinhvien a[50],x;
clrscr();
do
{ cout<<"\nChon 1 de nhap diem sinh vien ";
cout<<"\nChon 2 de sap xep thong tin diem sinh vien ";
cout<<"\nChon 3 de in thong tin diem sinh vien ";
cout<<"\nChon 4 de them thong tin diem sinh vien ";
cout<<"\nChon 5 de xoa thong tin diem sinh vien ";
cout<<"\nChon 6 de tim kiem thong tin diem sinh vien ";
cout<<"\nChon 7 de thoat chuong trinh. ";
cout<<"\nHay chon chuc nang: ";
cin>>chon; switch (chon)
{ case 1: cout<<"\nNhap so sinh vien: ";
cin>>n;
sv.Nhapsv(a,n);
break; case 2: sv.Sapxepsv(a,n);
break; case 3: cout<<"\nIn danh sach diem sinh vien:";
sv.Insv(a,n);
break; case 4: //ThemCuoiDanhSach(a,n,x);
cout<<"\nChon vi tri de them diem sinh vien: ";
cin>>vitri;
sv.ThemVaoBatKy_Soft(a,n,x,vitri);
//ThemVaoBatKy(a,n,x,vitri);
break; case 5: cout<<"\nChon vi tri de xoa diem sinh vien: ";
cin>>vitri;
sv.XoaBatKy_Soft(a,n,vitri);
break; case 6: cout<<"\nNhap ten sinh vien de tim kiem: ";
gets(x.tensv);
sv.TimKiemSinhVien(a,n,x);
break; case 7: cout<<"\nTiep tuc nua khong (c/k), khong tiep nua nhan n de thoat: "; c=getche(); } }while(c!='c' && c!='C');
getch(); }
