/// <summary>
/// Tìm tất cả các phân số có mẫu là x
/// </summary>
/// <param name="mauSo">Mẫu số cần tìm</param>
/// <returns>Mảng phân số</returns>
public MangPhanSo Tim_MauX(int mauSo)
{
MangPhanSo kq = new MangPhanSo();
for (int i = 0; i < length; i++)
{
if (a[i].mauSo == mauSo)
{
kq.Chen_Cuoi(a[i]);
}
}
return(kq);
}
//Tim tat cac cac phan so co mau la x
public MangPhanSo TimPhanSoCoMauLa(int x)
{
MangPhanSo kq = new MangPhanSo();
for (int i = 0; i < len; i++)
{
if (a[i].mau == x)
{
kq.Chen(a[i]);
}
}
return(kq);
}
/// <summary>
/// Tìm các phân số dương có trong mảng
/// </summary>
/// <returns>Mảng phân số</returns>
public MangPhanSo MangDuong()
{
MangPhanSo kq = new MangPhanSo();
for (int i = 0; i < length; i++)
{
if ((float)a[i].tuSo / a[i].mauSo > 0)
{
kq.Chen_Cuoi(a[i]);
}
}
return(kq);
}
/// <summary>
/// Hàm xóa các phân số dương trong mảng
/// </summary>
/// <returns>Thực hiện thành công hay không</returns>
public bool Xoa_Duong()
{
MangPhanSo kq = MangDuong();
if (kq.length != 0)
{
for (int i = 0; i < kq.length; i++)
{
Xoa_x(kq.a[i]);
}
return(true);
}
return(false);
}
/// <summary>
/// Hàm xóa tất cả các phân số có mẫu số cho trước
/// </summary>
/// <param name="mauSo">Mẫu số cần xóa</param>
/// <returns>Thực hiện thành công hay không</returns>
public bool Xoa_mauX(int mauSo)
{
MangPhanSo kq = Tim_MauX(mauSo);
if (kq.length == 0)
{
return(false);
}
else
{
for (int i = 0; i < kq.length; i++)
{
Xoa_x(kq.a[i]);
}
return(true);
}
}
static void Main(string[] args)
{
//PhanSo a = new PhanSo(1,2);
//a.Xuat();
//a.Nhap();
//a.Xuat();
//PhanSo b = new PhanSo(3,4);
//b.Xuat();
//a.Cong(a, b).Xuat();
//a.Cong(b).Xuat();
//PhanSo c = a + b;
//c.Xuat();
MangPhanSo ds = new MangPhanSo();
while (true)
{
Console.WriteLine("Nhap {0} de thoat ", (int)Menu.Thoat);
Console.WriteLine("Nhap {0} de nhap tu file ", (int)Menu.NhapTuFile);
Menu menu = (Menu)int.Parse(Console.ReadLine());
switch (menu)
{
case Menu.Thoat: return;
case Menu.NhapTuFile:
ds.NhapTuFile();
break;
case Menu.TimMax:
ds.TimMax().Xuat();
break;
}
}
//ds.NhapTuFile();
//ds.Xuat();
//// Console.WriteLine("Phan so lon nhat la ");
////ds.TimMax().Xuat();
//Console.WriteLine("Tim theo mau");
//ds.TimPhanSoCoMauLa(5).Xuat();
Console.ReadKey();
}
static void Main(string[] args)
{
MangPhanSo ds = new MangPhanSo();
MangPhanSo mangAm = new MangPhanSo();
MangPhanSo mangDuong = new MangPhanSo();
MangPhanSo mangKQ = new MangPhanSo();
int tuSo, mauSo, a;
PhanSo x = new PhanSo();
int[] kq = new int[100];
while (true)
{
Console.Clear();
Console.WriteLine("Nhap {0} : Thoat khoi chuong trinh", (int)Menu.Thoat);
Console.WriteLine("Nhap {0} : Nhap mot mang phan so tu tap tin", (int)Menu.Nhap_File);
Console.WriteLine("Nhap {0} : Nhap mot mang phan so bang tay", (int)Menu.Nhap_Tay);
Console.WriteLine("Nhap {0} : Dem so phan so am trong mang", (int)Menu.Dem_Am);
Console.WriteLine("Nhap {0} : Dem so phan so duong trong mang", (int)Menu.Dem_Duong);
Console.WriteLine("Nhap {0} : Dem phan so co tu la x trong mang", (int)Menu.Dem_TuX);
Console.WriteLine("Nhap {0} : Dem phan so co tu la y trong mang", (int)Menu.Dem_TuY);
Console.WriteLine("Nhap {0} : Tim phan so am lon nhat", (int)Menu.Max_Am);
Console.WriteLine("Nhap {0} : Tim phan so am nho nhat", (int)Menu.Min_Am);
Console.WriteLine("Nhap {0} : Tim phan so duong lon nhat", (int)Menu.Max_Duong);
Console.WriteLine("Nhap {0} : Tim phan so duong nho nhat", (int)Menu.Min_Duong);
Console.WriteLine("Nhap {0} : Tim tat ca cac phan so am trong mang ", (int)Menu.Tim_Am);
Console.WriteLine("Nhap {0} : Tim tat ca cac phan so duong trong mang", (int)Menu.Tim_Duong);
Console.WriteLine("Nhap {0} : Tim tat ca vi tri cua phan so x trong mang", (int)Menu.Tim_VTx);
Console.WriteLine("Nhap {0} : Tim tat ca vi tri cua phan so am, duong trong mang", (int)Menu.Tim_VT_AmDuong);
Console.WriteLine("Nhap {0} : Tong tat ca cac phan so am trong mang", (int)Menu.Tong_Am);
Console.WriteLine("Nhap {0} : Tong cac phan so duong trong mang", (int)Menu.Tong_Duong);
Console.WriteLine("Nhap {0} : Tong tat ca phan so co tu la x", (int)Menu.Tong_TuX);
Console.WriteLine("Nhap {0} : Tong tat ca phan so co mau la x", (int)Menu.Tong_MauX);
Console.WriteLine("Nhap {0} : Xoa mot phan so tai vi tri vt trong mang", (int)Menu.Xoa_VT);
Console.WriteLine("Nhap {0} : Xoa phan so dau tien trong mang", (int)Menu.Xoa_Dau);
Console.WriteLine("Nhap {0} : Xoa phan so cuoi cung trong mang", (int)Menu.Xoa_Cuoi);
Console.WriteLine("Nhap {0} : Xoa phan so x trong mang", (int)Menu.Xoa_x);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so co tu la x", (int)Menu.Xoa_TuX);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so co mau la x", (int)Menu.Xoa_MauX);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so co gia tri giong phan so dau tien trong mang.", (int)Menu.Xoa_GiongDau);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so co gia tri giong phan so cuoi cung trong mang.", (int)Menu.Xoa_GiongCuoi);
Console.WriteLine("Nhap {0} : Xoa tat ca cac phan so nho nhat ", (int)Menu.Xoa_Min);
Console.WriteLine("Nhap {0} : Xoa cac phan tu tai cac vi tri (vi tri duoc luu trong mang)", (int)Menu.Xoa_NhieuVT);
Console.WriteLine("Nhap {0} : Them mot phan so tai vi tri vt trong mang", (int)Menu.Chen_VT);
Console.WriteLine("Nhap {0} : Them phan so dau tien trong mang", (int)Menu.Chen_Dau);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so am trong mang", (int)Menu.Xoa_Am);
Console.WriteLine("Nhap {0} : Xoa tat ca phan so duong trong mang", (int)Menu.Xoa_Duong);
Console.WriteLine("Nhap {0} : Sap xep phan so theo chieu tang, giam, tang theo mau, tu, giam theo mau tu", (int)Menu.SapXep);
Console.Write("\nNhap so thu tu chuc nang: ");
Menu menu = (Menu)int.Parse(Console.ReadLine());
switch (menu)
{
case Menu.Thoat:
return;
case Menu.Nhap_File:
ds.NhapTuFile();
ds.RutGon();
ds.Xuat();
break;
case Menu.Nhap_Tay:
ds.Nhap();
ds.RutGon();
ds.Xuat();
break;
case Menu.Dem_Am:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Mang phan so am:");
mangAm = ds.MangAm();
mangAm.Xuat();
Console.WriteLine("Co {0} phan so am trong mang", mangAm.length);
break;
case Menu.Dem_Duong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Mang phan so duong:");
mangDuong = ds.MangDuong();
mangDuong.Xuat();
Console.WriteLine("Co {0} phan so duong trong mang", mangDuong.length);
break;
case Menu.Dem_TuX:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.Write("Nhap tu so can tim: ");
tuSo = int.Parse(Console.ReadLine());
Console.WriteLine("Co {0} phan so co tu la {1} trong mang", ds.Tim_TuX(tuSo).length, tuSo);
break;
case Menu.Dem_TuY:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.Write("Nhap tu so can tim: ");
tuSo = int.Parse(Console.ReadLine());
Console.WriteLine("Co {0} phan so co tu la {1} trong mang", ds.Tim_TuX(tuSo).length, tuSo);
break;
case Menu.Max_Am:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangAm = ds.MangAm();
Console.WriteLine("Mang phan so am:");
mangAm.Xuat();
Console.Write("Phan so am lon nhat cua mang la: {0}", mangAm.Tim_Max());
break;
case Menu.Min_Am:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangAm = ds.MangAm();
Console.WriteLine("Mang phan so am:");
mangAm.Xuat();
Console.Write("Phan so am nho nhat cua mang la: {0}", mangAm.Tim_Min());
break;
case Menu.Max_Duong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangDuong = ds.MangDuong();
Console.WriteLine("Mang phan so duong:");
mangDuong.Xuat();
Console.Write("Phan so duong lon nhat cua mang la: {0}", mangDuong.Tim_Max());
break;
case Menu.Min_Duong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangDuong = ds.MangDuong();
Console.WriteLine("Mang phan so duong:");
mangDuong.Xuat();
Console.Write("Phan so duong nho nhat cua mang la: {0}", mangDuong.Tim_Min());
break;
case Menu.Tim_Am:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangAm = ds.MangAm();
Console.WriteLine("Mang phan so am:");
mangAm.Xuat();
break;
case Menu.Tim_Duong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
mangDuong = ds.MangDuong();
Console.WriteLine("Mang phan so duong:");
mangDuong.Xuat();
break;
case Menu.Tim_VTx:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Nhap phan so x: ");
x.Nhap_PhanSo();
kq = ds.Tim_VTx(x);
if (kq.Length == 0)
{
Console.WriteLine("Khong ton tai phan so x o trong mang");
}
else
{
Console.WriteLine("Vi tri phan so x la: ");
for (int i = 0; i < kq.Length; i++)
{
Console.Write(kq[i] + "\t");
}
}
break;
case Menu.Tim_VT_AmDuong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
kq = ds.Tim_VT_Am();
Console.WriteLine("Mang vi tri cac phan so am: ");
for (int i = 0; i < kq.Length; i++)
{
Console.Write(kq[i] + "\t");
}
Array.Clear(kq, 0, kq.Length);
kq = ds.Tim_VT_Duong();
Console.WriteLine();
Console.WriteLine("Mang vi tri cac phan so duong: ");
for (int i = 0; i < kq.Length; i++)
{
Console.Write(kq[i] + "\t");
}
break;
case Menu.Tong_Am:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
mangAm = ds.MangAm();
Console.WriteLine("Mang phan so am: ");
mangAm.Xuat();
Console.WriteLine("Tong gia tri cua mang am la {0}", mangAm.Tong());
break;
case Menu.Tong_Duong:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
mangDuong = ds.MangDuong();
Console.WriteLine("Mang phan so duong: ");
mangDuong.Xuat();
Console.WriteLine("Tong gia tri cua mang duong la {0}", mangDuong.Tong());
break;
case Menu.Tong_TuX:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
Console.Write("Nhap tu so x can tinh tong: ");
mangKQ = ds.Tim_TuX(int.Parse(Console.ReadLine()));
if (mangKQ.length == 0)
{
Console.WriteLine("Khong ton tai phan so co tu so la x");
}
else
{
Console.WriteLine("Mang ket qua: ");
mangKQ.Xuat();
Console.WriteLine("Tong gia tri cua mang ket qua la {0}", mangKQ.Tong());
}
break;
case Menu.Tong_MauX:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
Console.Write("Nhap mau so x can tinh tong: ");
mangKQ = ds.Tim_MauX(int.Parse(Console.ReadLine()));
if (mangKQ.length == 0)
{
Console.WriteLine("Khong ton tai phan so co tu so la x");
}
else
{
Console.WriteLine("Mang ket qua: ");
mangKQ.Xuat();
Console.WriteLine("Tong gia tri cua mang ket qua la {0}", mangKQ.Tong());
}
break;
case Menu.Xoa_VT:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.Write("Nhap vi tri can xoa: ");
if (ds.Xoa_VT(int.Parse(Console.ReadLine())))
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Vi tri can xoa khong hop le");
}
break;
case Menu.Xoa_Dau:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
ds.Xoa_VT(0);
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Xoa_Cuoi:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
ds.Xoa_VT(ds.length);
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Xoa_x:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Nhap phan so x can xoa: ");
x.Nhap_PhanSo();
if (ds.Xoa_x(x))
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Khong ton tai phan so x trong mang");
}
break;
case Menu.Xoa_TuX:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.Write("Nhap tu so x can xoa: ");
tuSo = int.Parse(Console.ReadLine());
if (ds.Xoa_tuX(tuSo))
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Khong ton tai tu so x trong mang");
}
break;
case Menu.Xoa_MauX:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.Write("Nhap mau so x can xoa: ");
mauSo = int.Parse(Console.ReadLine());
if (ds.Xoa_mauX(mauSo))
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Khong ton tai mau so x trong mang");
}
break;
case Menu.Xoa_GiongDau:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
ds.Xoa_GiongDau();
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Xoa_GiongCuoi:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
ds.Xoa_GiongCuoi();
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Xoa_Min:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
Console.WriteLine("Phan so nho nhat trong mang la " + ds.Tim_Min().ToString());
Console.WriteLine("Mang moi: ");
ds.Xoa_x(ds.Tim_Min());
ds.Xuat();
break;
case Menu.Xoa_NhieuVT:
Console.WriteLine("Mang hien hanh: ");
ds.Xuat();
Console.Write("Nhap kich thuoc mang n can xoa: ");
a = int.Parse(Console.ReadLine());
for (int i = 0; i < a; i++)
{
Console.Write("Nhap a[{0}] = ", i);
kq[i] = int.Parse(Console.ReadLine());
}
ds.Xoa_MangVT(kq, a);
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Chen_VT:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Nhap phan so x can chen: ");
x.Nhap_PhanSo();
Console.Write("Vi tri phan so x can chen la: ");
if (ds.Chen_VT(x, int.Parse(Console.ReadLine())))
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Vi tri can chen khong hop le");
}
break;
case Menu.Chen_Dau:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Nhap phan so x can chen: ");
x.Nhap_PhanSo();
ds.Chen_VT(x, 0);
Console.WriteLine("Mang moi: ");
ds.Xuat();
break;
case Menu.Xoa_Am:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
if (ds.Xoa_Am())
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Mang khong ton tai phan so am");
}
break;
case Menu.Xoa_Duong:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
if (ds.Xoa_Duong())
{
Console.WriteLine("Mang moi: ");
ds.Xuat();
}
else
{
Console.WriteLine("Mang khong ton tai phan so duong");
}
break;
case Menu.SapXep:
Console.WriteLine("Mang hien hanh:");
ds.Xuat();
Console.WriteLine("Sap tang: ");
ds.SapXep_Tang();
ds.Xuat();
Console.WriteLine("Sap tang tu so: ");
ds.SapXep_TangTu();
ds.Xuat();
Console.WriteLine("Sap tang mau so: ");
ds.SapXep_TangMau();
ds.Xuat();
Console.WriteLine("Sap giam: ");
ds.SapXep_Giam();
ds.Xuat();
Console.WriteLine("Sap giam tu so: ");
ds.SapXep_GiamTu();
ds.Xuat();
Console.WriteLine("Sap giam mau so: ");
ds.SapXep_GiamMau();
ds.Xuat();
break;
default:
break;
}
Console.ReadKey();
}
}