Bai 1 + Bai 2 C++
#include<iostream>
#include<conio.h>
#include<string.h>
#include<stdio.h>
using namespace std;
class ThiSinh{
private:
char Maso[12], Hoten[32], KetQua[12];
float PointLT, PointTH, PointTB;
public:
ThiSinh();
char* getMaso(){
return Maso;
}
char* getHoten(){
return Hoten;
}
char* getKetQua(){
return KetQua;
}
float getPointLT(){
return PointLT;
}
float getPointTH(){
return PointTH;
}
float getPointTB(){
return PointTB;
}
void Nhap();
void Xuat();
float TinhTB();
void XepLoai();
};
class Array_ThiSinh{
private:
ThiSinh arr[100];
int n;
public:
void Nhap();
void Arr_Xuat();
void LietKe_PointTH_PointLT_Tren_7();
float PointTBC_List();
void Search_Code();
void XapXepTenTangDan();
};
int main(){
Array_ThiSinh arr_ts;
cout<<"Nhap Thong Tin Cho Cac Thi Sinh"<<endl;
arr_ts.Nhap();
cout<<"======================================="<<endl;
cout<<"Xuat Thong Tin Thi Sinh Da Nhap"<<endl;
arr_ts.Arr_Xuat();
cout<<"======================================="<<endl;
cout<<"Thi Sinh Co Diem TH Va LT Lon Hon 7"<<endl;
arr_ts.LietKe_PointTH_PointLT_Tren_7();
cout<<"======================================="<<endl;
cout<<"Point TBC Of List"<<endl;
cout<<"Result = "<<arr_ts.PointTBC_List();
cout<<"\n\n======================================="<<endl;
cout<<"Tim Thi Sinh Bang Ma So\n"<<endl;
arr_ts.Search_Code();
cout<<"\n\n======================================="<<endl;
cout<<"Xap Xep Ten Tang Dan"<<endl;
arr_ts.XapXepTenTangDan();
arr_ts.Arr_Xuat();
_getch();
return 0;
}
ThiSinh::ThiSinh(){
PointLT = PointTB = PointTH = 0;
strcpy(Maso,"");
strcpy(Hoten,"");
strcpy(KetQua,"");
}
void ThiSinh::Nhap(){
cin.ignore();
cout<<"Nhap Ten Thi Sinh: "; gets(Hoten); fflush(stdin);
cout<<"Nhap Ma So Thi Sinh: "; gets(Maso); fflush(stdin);
cout<<"Nhap Diem Ly Thuyet: "; cin>>PointLT;
cout<<"Nhap Diem Thuc Hanh: "; cin>>PointTH;
}
float ThiSinh::TinhTB(){
PointTB = (PointLT + PointTH*2) / 3;
return PointTB;
}
void ThiSinh::Xuat(){
cout<<"Ten: \t\t" << getHoten()<<endl;
cout<<"Maso: \t\t"<<getMaso()<<endl;
cout<<"PointLT= \t"<<getPointLT()<<endl;
cout<<"PointTH= \t"<<getPointTH()<<endl;
cout<<"PointTB= \t"<<getPointTB()<<endl;
cout<<"Xep Loai: \t"<<getKetQua()<<endl;
}
void ThiSinh::XepLoai(){
if(getPointTB() >= 5) strcpy(KetQua,"DAT");
else strcpy(KetQua,"KHONG DAT");
}
//----------------------------------------------------------
void Array_ThiSinh::Nhap(){
cout<<"Nhap So Luong Phan Tu: "; cin>>n;
for(int i=0; i<n; i++){
cout<<"Nhap Thi Sinh Thu "<<i+1<<endl;
arr[i].Nhap();
arr[i].TinhTB();
arr[i].XepLoai();
cout<<"\n";
}
}
void Array_ThiSinh::Arr_Xuat(){
for(int i=0; i<n; i++){
cout<<"Thi Sinh Thu: "<<i+1<<endl;
arr[i].Xuat();
cout<<"\n";
}
}
void Array_ThiSinh::LietKe_PointTH_PointLT_Tren_7(){
for(int i=0; i<n; i++){
if(arr[i].getPointLT() > 7 && arr[i].getPointTH() >7) arr[i].Xuat();
cout<<"\n";
}
}
float Array_ThiSinh::PointTBC_List(){
float TB;
for(int i=0; i<n; i++){
TB+= arr[i].getPointTB();
}
return TB;
}
void Array_ThiSinh::Search_Code(){
char x[12]; bool a = true;
cout<<("Nhap Ma So Can Tim: "); fflush(stdin); gets(x);
for(int i=0; i<n; i++){
if(strcmp(arr[i].getMaso(),x) == 0){
cout<<"\nDa Tim Thay ["<<x<<"]"<<endl;
arr[i].Xuat();
}
//else a = false;
}
//if(a == false) cout<<"Khong Tim Thay ["<<x<<"]"<<endl;
}
void Array_ThiSinh::XapXepTenTangDan(){
ThiSinh t;
for(int i=0;i<n-1;i++){
for(int j=i+1; j<n;j++){
if(strcmp(arr[i].getHoten(),arr[j].getHoten()) > 0){
t= arr[i];
arr[i]= arr[j];
arr[j]= t;
}
}
}
}
Bai 1
#include <conio.h>
#include <stdio.h>
#include <math.h>
#include <iomanip>
#include <iostream>
using namespace std;
class SoPhuc
{
private:
float Thuc, Ao;
public:
SoPhuc(); // Constructor mac dinh
SoPhuc(float R,float I);
SoPhuc (const SoPhuc & Z); // Constructor sao chep
SoPhuc (float R); // Constructor chuyen doi
void Nhap(); //Nhap so phuc
void Xuat(); // Hien thi so phuc
//float getThuc();
//float getAo();
//void setThuc(int t);
//void setAo(int a);
// Cac tinh toan
SoPhuc operator + (SoPhuc Z);
//SoPhuc operator - (SoPhuc Z);
//SoPhuc operator * (SoPhuc Z);
//SoPhuc operator / (SoPhuc Z);
//Ham tinh toan
SoPhuc Cong(SoPhuc Z);
//SoPhuc Tru(SoPhuc Z);
//SoPhuc Nhan(SoPhuc Z);
//SoPhuc Chia(SoPhuc Z);
//int LonHon(SoPhuc Z);
//int NhoHon(SoPhuc Z);
//int Bang(SoPhuc Z);
// Cac tinh toan so sanh
////int operator == (SoPhuc Z);
//int operator != (SoPhuc Z);
//int operator > (SoPhuc Z);
//int operator >= (SoPhuc Z);
//int operator < (SoPhuc Z);
//int operator <= (SoPhuc Z);
float Module(); // Giá tri tuyet doi cua so phuc
//Cac ham kiem tra
//int ThuanAo();
//int ThuanThuc();
};
class MangSoPhuc
{
private:
SoPhuc a[100];
int n;
public:
void Nhap();
void Xuat();
//..cac phuong thuc cn lai
};
int main()
{
MangSoPhuc x;
//Nhap danh sach
cout<<"Nhap thong tin cac So phuc trong Mang: ";
x.Nhap();
cout<<"Thong tin cac So phuc trong Mang: ";
x.Xuat();
//..Them code
getch();
return 1;
}
SoPhuc::SoPhuc()
{
Thuc = 0.0;
Ao = 0.0;
}
SoPhuc::SoPhuc(float R,float I)
{
Thuc = R;
Ao = I;
}
SoPhuc::SoPhuc(const SoPhuc & Z) //Ham dung sao chep
{
Thuc = Z.Thuc;
Ao = Z.Ao;
}
SoPhuc::SoPhuc(float R)
{
Thuc = R;
Ao = 0.0;
}
void SoPhuc::Nhap()
{
cout<<"\n Nhap phan thuc "; cin>>Thuc;
cout<<"\n Nhap phan ao "; cin>>Ao;
}
void SoPhuc::Xuat()
{
cout<<"(" << Thuc << " + " << Ao << "i)";
}
/*
Cho hai so phuc z = a + bi và w = c + di.
Phep Cong: z+w = (a +c) + (b+d)i
Phep Tru: z-w = (a +c) - (b+d)i
Phep Nhan: z.w = (a * c - b * d) + (a * d + b * c)i
Phep Chia: z/w = [(a * c + b * d) / (c * c + d * d)] + (b * c - a * d)i
*/
SoPhuc SoPhuc::Cong(SoPhuc Z)
{
SoPhuc Tmp;
Tmp.Thuc = Thuc + Z.Thuc;
Tmp.Ao = Ao + Z.Ao;
return Tmp;
}
float SoPhuc::Module()
{
return sqrt(Thuc*Thuc+Ao*Ao);
}
//CAC PHUONG THUC THUOC LOP MangSoPhuc
void MangSoPhuc::Nhap()
{
cout <<"\n Nhap n : "; cin >> n;
for (int i=0;i<n;i++)
{
cout<<"Nhap a["<<i<<"]: ";
a[i].Nhap();
}
}
void MangSoPhuc::Xuat()
{
for (int i=0;i<n;i++)
{
a[i].Xuat();
cout << " ";
}
}
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