chuong 1 1-10
/**
* Bai lam cau 1.1
*/
#include "iostream.h"
#include "conio.h"
/**
* Tao class complex mo ta doi tuong so phuc
*/
class complex{
private:
int a;
int b;
public:
//Ham thiet lap
complex(){
a = 0;
b = 0;
}
//Ham nhap so phuc
void init(){
cout << "
Nhap phan thuc va phan ao : ";
cin >> a >> b;
}
//Ham hien thi so phuc
void display(){
if(b < 0) cout << a << b << "i";
else cout << a << "+" << b << "i";
}
//Khai bao toan tu + la ham ban cua class
friend complex operator + (complex x, complex y);
//Khai bao toan tu + la ham ban cua class
friend complex operator - (complex x, complex y);
}; // End class complex
/**
* Toan tu +
* @param : complex x - so hang thu nhat
* @param : complex y - so hang thu hai
* @return : complex z - tong cua a + b;
*/
complex operator + (complex x, complex y){
complex z;
z.a = x.a + y.a;
z.b = x.b + y.b;
return z;
}
/**
* Toan tu -
* @param : complex x - so bi tru
* @param : complex y - so tru
* @return : complex z - hieu cua a - b;
*/
complex operator - (complex x, complex y){
complex z;
z.a = x.a - y.a;
z.b = x.b - y.b;
return z;
}
/**
* Chuong trinh chinh
*/
void main(){
clrscr();
complex x,y;
cout << "
Nhap so phuc x: ";
x.init();
cout << "
Nhap so phuc y: ";
y.init();
cout << "
Tong x + y = "; (x+y).display();
cout << "
Hieu x - y = "; (x-y).display();
getch();
}
/**
* Bai lam cau 1.2
*/
#include "iostream.h"
#include "conio.h"
/**
* Tao class complex mo ta doi tuong so phuc
*/
class complex{
private:
int a;
int b;
public:
//Ham thiet lap
complex(){
a = 0;
b = 0;
}
//Ham nhap so phuc
void init(){
cout << "
Nhap phan thuc va phan ao : ";
cin >> a >> b;
}
//Ham hien thi so phuc
void display(){
if(b < 0) cout << a << b << "i";
else cout << a << "+" << b << "i";
}
//Toan tu =
void operator = (complex &x){
a = x.a;
b = x.b;
}
//Toan tu +
complex operator + (complex &x){
complex y;
y.a = a + x.a;
y.b = b + x.b;
return y;
}
}; // End class complex
/**
* Ham tinh tong cua day so phuc
* @param complex arr[] - dia chi cua mang cac so phuc
* @param int n - so phan tu cua mang arr;
* @return complex s - tong cua mang so phuc arr
*/
complex sum(complex arr[], int n){
complex s;
for(int i = 0; i < n; i++){
s = s + arr[i];
}
return s;
}
/**
* Chuong trinh chinh
*/
void main(){
clrscr();
complex arr[10];
int n;
cout << "
Nhap n = ";
cin >> n;
for(int i = 0; i < n; i++){
arr[i].init();
}
cout << "
Tong cua day so phuc arr la : ";
sum(arr,n).display();
getch();
}
/**
* Bai lam cau 1.3
*/
#include "iostream.h"
#include "conio.h"
#include "stdlib.h"
//Class mydate mo ta thong tin ngay than nam
class mydate{
private:
int d;
int m;
int y;
public:
//Ham thiet lap
mydate(){
d = 0;
m = 0;
y = 0;
}
//Ham nhap ngay - thang - nam
void init(){
cout << "
Nhap ngay - thang - nam: ";
cin >> d >> m >> y;
}
//Ham hien thi ngay - thang - nam
void display(){
cout << d << "-" << m << "-" << y;
}
//Khai bao toan tu >= la ham ban cua lop
friend int operator >= (mydate a, mydate b);
};//End class mydate
/**
* Toan tu >=
* @param : mydate a - doi so thu nhat
* @param : mydate b - doi so thu hai
* @return : int 1 or int 0 - 1 if a >= b 0 if a !>= b;
*/
int operator >= (mydate a, mydate b){
if(a.y > b.y) return 1;
if((a.y == b.y) && (a.m > b.m)) return 1;
if((a.y == b.y) && (a.m == b.m) && (a.d >= b.d)) return 1;
return 0;
}
//Ham chinh
void main(){
clrscr();
mydate arr[5];
mydate max;
int i;
cout << "
Nhap ngay:
";
for(i = 0; i < 5; i++){
arr[i].init();
}
cout << "
Xem ngay vua nhap:
";
for(i = 0; i < 5; i++){
arr[i].display();
cout << "
";
}
cout << "
Ngay lon nhat: ";
max = arr[0];
for(i = 0; i < 5; i++){
if(arr[i] >= max) max = arr[i];
}
max.display();
getch();
}
#include "iostream.h"
#include "conio.h"
class vector{
private:
int n;
float *v;
public:
//Ham thiet lap 1 tham so
vector(int n);
//Ham thiet lap sao chep
vector(vector &a);
//Ham huy bo
~vector();
//Ham nhap cac phan tu cua vector
void init();
//Ham hien thi cac phan tu cua vector
void display();
//Toan tu gan la con cua class
void operator = (vector &a);
//Toan tu + la ham ban cua vector
friend vector operator + (vector &a, vector &b);
};//End class vector
/**
* Ham thiet lap 1 tham so
* @param : int nn - so phan tu cua vector v
*/
vector :: vector(int nn){
n = nn;
v = new float[n];
}
/**
* Ham thiet lap sao chep
* @param : vector &a - vector duoc sao chep
*/
vector :: vector(vector &a){
n = a.n;
for(int i = 0; i < n; i++){
v[i] = a.v[i];
}
}
/**
* Ham huy bo
*/
vector :: ~vector(){
delete v;
}
/**
* Ham nhap cac phan tu cua vector
*/
void vector :: init(){
for(int i = 0; i < n; i++){
cout << "
Nhap phan tu v[" << i << "] = ";
cin >> v[i];
}
}
/**
* Ham hien thi cac phan tu cua vector
*/
void vector :: display(){
for(int i = 0; i < n; i++){
cout << v[i] << " ";
}
cout << "
";
}
/**
* Toan tu = la thanh phan cua lop
* @param : vector &a - vector duoc gan
*/
void vector :: operator = (vector &a){
for(int i = 0; i < n; i++){
v[i] = a.v[i];
}
}
/**
* Toan tu + la ham ban cua vector
* @param : vector a - so hang thu nhat
* @param : vector b - so hang thu hai
* @return : vector c - tong cua a + b
*/
vector operator + (vector &a, vector &b){
vector c(a.n);
for(int i = 0; i < c.n; i++){
c.v[i] = a.v[i] + b.v[i];
}
return c;
}
//Ham chinh
void main(){
clrscr();
vector p(3),q(3),z(3);
cout << "
Nhap vector p:
";
p.init();
cout << "
Nhap vector q:
";
q.init();
cout << "
Cac vector da nhap la
";
p.display();
cout << "
";
q.display();
cout << "
Vector tong cua 2 vector p,q la :
";
(p+q).display();
getch();
}
/**
* Bai lam cau 1.5
*/
#include "iostream.h"
#include "conio.h"
//Class ps mo ta phan so
class ps{
private:
int tu;
int mau;
public:
//ham thiet lap
ps(int t, int m);
//Ham nhap phan so
void set();
//Ham hien thi phan so
void display();
//Ham rut gon phan so
void archive();
//Toan tu + la thanh phan cua class
ps operator + (ps &a);
};//End class ps
/**
* Ham tinh uoc chung lon nhat (su dung khi rut gon phan so)
* @param: int a - tham so thu nhat
* @param: int b - tham so thu hai
* @return: int c - la ucln cua a,b
*/
int ucln(int a, int b){
if(a * b == 0) return 1;
while(a != b){
if(a > b) a = a - b;
else b = b - a;
}
return a;
}
/**
* Ham thiet lap
* @param : int t - tu so co gia tri mac dinh = 0
* @param : int m - mau so co gia tri mac dinh = 1
*/
ps :: ps(int t = 0, int m = 1){
tu = t;
mau = m;
}
/**
* Ham nhap phan so
*/
void ps :: set(){
cout << "
Nhap tu so : ";
cin >> tu;
nhap : cout << "
Nhap mau so : ";
cin >> mau;
if(mau == 0){
cout << "
Nhap lai mau so: ";
goto nhap;
}
}
/**
* Ham hien thi phan so
*/
void ps :: display(){
if(mau < 0){
tu = -tu;
mau = -mau;
}
cout << tu << "/" << mau;
}
/**
* Ham rut gon phan so
*/
void ps :: archive(){
int x = ucln(tu,mau);
tu = tu/x;
mau = mau/x;
}
/**
* Toan tu +
* @param: ps a - so hang se cong voi so hang goi toi ham
* @return: ps c - tong cua a+ so hang goi toi ham
*/
ps ps :: operator + (ps &a){
ps c;
c.tu = (tu * a.mau) + (a.tu * mau);
c.mau = mau * a.mau;
c.archive();
return c;
}
//Ham chinh
void main(){
clrscr();
ps arr[10],tong;
int i,n;
cout << "
Nhap n = :";
cin >> n;
cout << "
Nhap cac phan so: ";
for(i =0; i < n; i++){
cout << "
Nhap phan so arr[" << i << "] = ";
arr[i].set();
}
cout << "
Tong cua mang ps : ";
for(i = 0; i < n; i++){
tong =tong + arr[i];
}
tong.display();
getch();
}
/**
* Bai lam cau 1.6
*/
#include "iostream.h"
#include "conio.h"
//Class ps mo ta phan so
class ps{
private:
int tu;
int mau;
public:
//ham thiet lap
ps(int t, int m);
//Ham nhap phan so
void set();
//Ham hien thi phan so
void display();
//Toan tu > la thanh phan cua class
int operator > (ps &a);
};//End class ps
/**
* Ham thiet lap
* @param : int t - tu so co gia tri mac dinh = 0
* @param : int m - mau so co gia tri mac dinh = 1
*/
ps :: ps(int t = 0, int m = 1){
tu = t;
mau = m;
}
/**
* Ham nhap phan so
*/
void ps :: set(){
cout << "
Nhap tu so : ";
cin >> tu;
nhap : cout << "
Nhap mau so : ";
cin >> mau;
if(mau == 0){
cout << "
Nhap lai mau so: ";
goto nhap;
}
}
/**
* Ham hien thi phan so
*/
void ps :: display(){
if(mau < 0){
tu = -tu;
mau = -mau;
}
cout << tu << "/" << mau;
}
/**
* Toan tu >
* @param: ps a - ps can so sanh
* @return: 1 if true 0 if false
*/
int ps :: operator > (ps &a){
if((tu * a.mau) > (a.tu * mau)) return 1;
return 0;
}
/**
* Ham sap xep
* @param: ps *a - mang a gom cac phan so
* @param: int n - so phan tu cua mang a
* @return: mang duoc sap xep
*/
void sapxep (ps *a, int n){
ps tg;
for(int i = 0; i < n; i++){
for(int j = i; j < n; j++){
if(a[i] > a[j]){
tg = a[i];
a[i] = a[j];
a[j] = tg;
}
}
}
}
//Ham chinh
void main(){
clrscr();
ps arr[10];
int i,n;
cout << "
Nhap n :";
cin >> n;
cout << "
Nhap cac phan so: ";
for(i =0; i < n; i++){
cout << "
Nhap phan so arr[" << i << "] = ";
arr[i].set();
}
cout << "
Mang vua nhap : ";
for(i = 0; i < n; i++){
arr[i].display();
cout << " ";
}
sapxep(arr,n);
cout << "
Mang sau khi sap xep : ";
for(i = 0; i < n; i++){
arr[i].display();
cout << " ";
}
getch();
}
/**
* Bai lam cau 1.7
*/
#include "iostream.h"
#include "conio.h"
//Class ps mo ta phan so
class ps{
private:
int tu;
int mau;
public:
//ham thiet lap
ps(int t, int m);
//Ham nhap phan so
void set();
//Ham hien thi phan so
void display();
//Toan tu >= la ham ban cua class
friend int operator >= (ps &a, ps &b);
};//End class ps
/**
* Ham thiet lap
* @param : int t - tu so co gia tri mac dinh = 0
* @param : int m - mau so co gia tri mac dinh = 1
*/
ps :: ps(int t = 0, int m = 1){
tu = t;
mau = m;
}
/**
* Ham nhap phan so
*/
void ps :: set(){
cout << "
Nhap tu so : ";
cin >> tu;
nhap : cout << "
Nhap mau so : ";
cin >> mau;
if(mau == 0){
cout << "
Nhap lai mau so: ";
goto nhap;
}
}
/**
* Ham hien thi phan so
*/
void ps :: display(){
if(mau < 0){
tu = -tu;
mau = -mau;
}
cout << tu << "/" << mau;
}
/**
* Toan tu >=
* @param: ps &a - tham chieu toi phan thu 1
* @param: ps &b - tham chieu toi ps thu 2
* @return: 1 if a >= b; 0 if a !>= b
*/
int operator >= (ps &a, ps &b){
if((a.tu * b.mau) >= (b.tu * a.mau)) return 1;
return 0;
}
//Ham chinh
void main(){
clrscr();
ps arr[10], min, max;
int i,n;
cout << "
Nhap n :";
cin >> n;
cout << "
Nhap cac phan so: ";
for(i =0; i < n; i++){
cout << "
Nhap phan so arr[" << i << "] = ";
arr[i].set();
}
cout << "
Mang vua nhap : ";
for(i = 0; i < n; i++){
arr[i].display();
cout << " ";
}
min = arr[0];
max = arr[0];
for(i = 0; i < n; i++){
if(min >= arr[i]) min = arr[i];
if(arr[i] >= max) max = arr[i];
}
cout << "
Phan so be nhat :"; min.display();
cout << "
Phan so lon nhat :"; max.display();
getch();
}
/**
* Bai lam cau 1.8
*/
#include "iostream.h"
#include "conio.h"
//Class vecter mo ta 1 vector
class vector{
private:
int n;
float *v;
public:
//Ham thiet lap 1 tham so
vector(int n);
//Ham thiet lap sao chep
vector(vector &a);
//Ham huy bo
~vector();
//Ham nhap cac phan tu cua vector
void set();
//Ham hien thi cac phan tu cua vector
void display();
//Toan tu gan la con cua class
void operator = (vector &a);
//Toan tu * la ham ban cua vector
friend vector operator * (int k, vector &b);
};//End class vector
/**
* Ham thiet lap 1 tham so
* @param : int nn - so phan tu cua vector v
*/
vector :: vector(int nn){
n = nn;
v = new float[n];
}
/**
* Ham thiet lap sao chep
* @param : vector &a - vector duoc sao chep
*/
vector :: vector(vector &a){
n = a.n;
for(int i = 0; i < n; i++){
v[i] = a.v[i];
}
}
/**
* Ham huy bo
*/
vector :: ~vector(){
delete v;
}
/**
* Ham nhap cac phan tu cua vector
*/
void vector :: set(){
for(int i = 0; i < n; i++){
cout << "
Nhap phan tu v[" << i << "] = ";
cin >> v[i];
}
}
/**
* Ham hien thi cac phan tu cua vector
*/
void vector :: display(){
for(int i = 0; i < n; i++){
cout << v[i] << " ";
}
cout << "
";
}
/**
* Toan tu = la thanh phan cua lop
* @param : vector &a - vector duoc gan
*/
void vector :: operator = (vector &a){
for(int i = 0; i < n; i++){
v[i] = a.v[i];
}
}
/**
* Toan tu * la ham ban cua vector
* @param : int k - he so tu do
* @param : vector &a -tham chieu toi vector a
* @return : vector b - tich cua k*a
*/
vector operator * (int k, vector &a){
vector b(a.n);
for(int i = 0; i < a.n; i++){
b.v[i] = k * a.v[i];
}
return b;
}
//Ham chinh
void main(){
clrscr();
int k;
vector p(3);;
cout << "
Nhap he so k =";
cin >> k;
cout << "
Nhap vector p:
";
p.set();
cout << "
Vector da nhap la
";
p.display();
cout << "
Tich k*p la :
";
(k*p).display();
getch();
}
/**
* Bai lam cau 1.9
*/
#include "iostream.h"
#include "conio.h"
#include "stdlib.h"
//Class mydate mo ta thong tin ngay than nam
class mydate{
private:
int d;
int m;
int y;
public:
//Ham thiet lap
mydate();
//Ham nhap ngay - thang - nam
void set();
//Ham hien thi ngay - thang - nam
void display();
//Khai bao toan tu >= la ham ban cua lop
int operator > (mydate &a);
};//End class mydate
/**
* Ham thiet lap khong tham so
*/
mydate :: mydate (){
d = 0;
m = 0;
y = 0;
}
/**
* Ham nhap
*/
void mydate :: set(){
cout << "
Nhap ngay - thang - nam: ";
cin >> d >> m >> y;
}
/**
* Ham hien thi
*/
void mydate :: display(){
cout << d << "-" << m << "-" << y;
}
/**
* Toan tu >
*/
int mydate :: operator > (mydate &a){
if(y > a.y) return 1;
if((y == a.y) && (m > a.m)) return 1;
if((y == a.y) && (m == a.m) && (d > a.d)) return 1;
return 0;
}
/**
* Ham sapxep
* @param: mydate *a - con tro tham chieu toi mang
* @param: int n - so phan tu cung mang
*/
void sapxep(mydate *a, int n){
mydate tg;
for(int i =0; i < n; i++){
for(int j =i; j < n; j++){
if(a[i] > a[j]){
tg = a[i];
a[i] = a[j];
a[j] = tg;
}
}
}
}
//Ham chinh
void main(){
clrscr();
mydate arr[10];
int i,n;
cout << "
Nhap n = ";cin >> n;
cout << "
Nhap mang ngay: ";
for(i =0; i < n; i++){
cout << "
Nhap ngay arr[" << i << "] :";
arr[i].set();
}
cout << "
Cac ngay da nhap:";
for(i =0; i < n; i++){
arr[i].display();
cout << "
";
}
sapxep(arr,n);
cout << "
Ngay da sap xep: ";
for(i =0; i < n; i++){
arr[i].display();
cout << "
";
}
getch();
}
/**
* Bai lam cau 1.20
*/
#include "iostream.h"
#include "conio.h"
/**
* Tao class complex mo ta doi tuong so phuc
*/
class complex{
private:
int a;
int b;
public:
//Ham thiet lap
complex();
//Ham nhap so phuc
void set();
//Ham hien thi so phuc
void display();
//Toan tu +
complex operator + (complex &x);
//Toan tu -
complex operator - (complex &x);
}; // End class complex
/**
* @Ham thiet lap khong tham so
*/
complex :: complex(){
a = 0;
b = 0;
}
/**
* Ham nhap so phuc
*/
void complex :: set(){
cout << "
Nhap phan thuc: "; cin >> a;
cout << "Nhap phan ao: "; cin >> b;
}
/**
* Ham hien thi so phuc
*/
void complex :: display(){
if(b < 0) cout << a << b << "i";
else cout << a << "+" << b << "i";
}
/**
* Toan tu +
*/
complex complex :: operator + (complex &sp){
complex t;
t.a = a + sp.a;
t.b = b + sp.b;
return t;
}
/**
* Toan tu -
*/
complex complex :: operator - (complex &sp){
complex t;
t.a = a - sp.a;
t.b = b - sp.b;
return t;
}
/**
* Chuong trinh chinh
*/
void main(){
clrscr();
complex x,y;
cout << "
Nhap x = ";
x.set();
cout << "
Nhap y = ";
y.set();
cout << "
Tong x + y = ";
(x+y).display();
cout << "
Hieu x - y = ";
(x-y).display();
getch();
}
Bạn đang đọc truyện trên: Truyen4U.Com