// Bai16.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
#include <math.h>
#include <iomanip>
#include <algorithm>

using namespace std;


struct ToaDo
{
	float x;
	float y;
};
typedef ToaDo TOADO;
typedef TOADO *arr_1D;
typedef TOADO **arr_2D;
template <class T>

void Input_Var(char ch, T &k)
{
	cout << ch << " = ";
	cin >> k;
}

void Initialize(arr_1D &a)
{
	a = new TOADO;
}

void Input(arr_1D *a)
{
	cout << "Nhap vao hoanh do: ";
	cin >> (*a)->x;
	cout << endl;
	cout << "Nhap vao tung do: ";
	cin >> (*a)->y;
}

void Output(arr_1D *a)
{
	cout << setw(7) << "(" << setw(7) << (*a)->x << "," << setw(7) << (*a)->y << ")" << setw(7);
	cout << endl;
}

void Process()
{
	cout << "Chon yeu cau tu 3 den 14: (Tu 1 den 2 da duoc thuc hien) " << endl;
}

void Process_distance(arr_1D a,arr_1D b)
{
	double distance;
	distance = sqrt(pow(a->x - b->x, 2) + pow(a->y - b->y, 2));
	cout << "Khoang cach giua 2 diem la: " << distance << endl;
}

void Process_Ox(arr_1D a, arr_1D b)
{
	double distance;
	distance = fabs(a->x - b->x);
	cout << "Khoang cach giua 2 diem theo phuong Ox la: " << distance << endl;
}

void Process_Oy(arr_1D a, arr_1D b)
{
	double distance;
	distance = fabs(a->y - b->y);
	cout << "Khoang cach giua 2 diem theo phuong Oy la: " << distance << endl;
}

void Process_Symmetry_O(arr_1D a)
{
	a->x = -a->x;
	a->y = -a->y;
	cout << "Diem doi xung qua goc toa do la: " << endl;
	Output(&a);
}

void Process_Symmetry_Ox(arr_1D a)
{
	a->y = -a->y;
	cout << "Diem doi xung qua truc hoanh la: " << endl;
	Output(&a);
}

void Process_Symmetry_Oy(arr_1D a)
{
	a->x = -a->x;
	cout << "Diem doi xung qua truc tung la: " << endl;
	Output(&a);
}

void Process_Bisectrix_1st(arr_1D a)
{
	swap(a->x, a->y);
	cout << "Diem doi xung qua duong phan giac thu nhat (y=x) la: " << endl;
	Output(&a);
}

void Process_Bisectrix_2nd(arr_1D a)
{
	swap(a->x,a->y);
	a->x = -a->x;
	a->y = -a->y;
	cout << "Diem doi xung qua duong phan giac thu hai (y=-x) la: " << endl;
	Output(&a);
}

void ProcessI(arr_1D a)
{
	if (a->x > 0 && a->y > 0)
		cout << "Diem thuoc phan tu thu I." << endl;
	else
		cout << "Diem khong thuoc phan tu thu I!!!" << endl;
}

void ProcessII(arr_1D a)
{
	if (a->x < 0 && a->y > 0)
		cout << "Diem thuoc phan tu thu II." << endl;
	else
		cout << "Diem khong thuoc phan tu thu II!!!" << endl;
}

void ProcessIII(arr_1D a)
{
	if (a->x < 0 && a->y < 0)
		cout << "Diem thuoc phan tu thu III." << endl;
	else
		cout << "Diem khong thuoc phan tu thu III!!!" << endl;
}

void ProcessIV(arr_1D a)
{
	if (a->x > 0 && a->y < 0)
		cout << "Diem thuoc phan tu thu IV." << endl;
	else
		cout << "Diem khong thuoc phan tu thu IV!!!" << endl;
}

int main()
{
	arr_1D a, b;
	int y;
	Initialize(a);
	Initialize(b);
	Input(&a);
	Output(&a);
	Input(&b);
	Output(&b);
	Process();
	Input_Var('y', y);
	switch (y)
	{
	case 3:
	{
		Process_distance(a, b);
		break;
	}
	case 4:
	{
		Process_Ox(a, b);
		break;
	}
	case 5:
	{
		Process_Oy(a, b);
		break;
	}
	case 6:
	{
		Process_Symmetry_O(a);
		Process_Symmetry_O(b);
		break;
	}
	case 7:
	{
		Process_Symmetry_Ox(a);
		Process_Symmetry_Ox(b);
		break;
	}
	case 8:
	{
		Process_Symmetry_Oy(a);
		Process_Symmetry_Oy(b);
		break;
	}
	case 9:
	{
		Process_Bisectrix_1st(a);
		Process_Bisectrix_1st(b);
		break;
	}
	case 10:
	{
		Process_Bisectrix_2nd(a);
		Process_Bisectrix_2nd(b);
		break;
	}
	case 11:
	{
		ProcessI(a);
		ProcessI(b);
		break;
	}
	case 12:
	{
		ProcessII(a);
		ProcessII(b);
		break;
	}
	case 13:
	{
		ProcessIII(a);
		ProcessIII(b);
		break;
	}
	case 14:
	{
		ProcessIV(a);
		ProcessIV(b);
	}
	default:
		break;
	}
	delete[] a;
	return 0;
}