/*
 * control.cpp
 *
 *  Created on: 18.10.2012
 *      Author: trifon
 */

#include <iostream>
#include <cmath>
using namespace std;

int main2() {
	int a = 4, b = 5, c = 6, d = 7;
	// a = (b = (c = 2));
	// ((a = b) = c) = 2;
	// (a = b) = (c = 2);
	cout << "d + c = " << d + (c = 2) << endl;
	cout << (c, b = a + d) << endl;
	cout << "a = " << a << endl;
	cout << "b = " << b << endl;
	cout << "c = " << c << endl;

//	cout << "a = " << a++ << endl;
	b = a++ + ++a;
	cout << "b = " << b << endl;

	// !!! x = 2;
	{
		int x = 7;
		cout << "x = " << x << endl;
		{
			int x = 3;
			x += 2;
			cout << "x = " << x << endl;
		}
		cout << "x = " << x << endl;
		// !!! double x = 12;
	}
	// !!! x = 9;
	int x = 15;;;;
	x++;
	cout << "x = " << x << endl;

	;{};{}{}{};;;;
	//int y = ++x;

	if (x == 15) {//; - не се слага!
		cout << "наистина, x = 15!\n";
		cout << "това е добре...\n";
	} else {
		cout << "наистина, x != 15!\n";
		cout << "това хич не е добре...\n";
	}

	if (x == 15) { cout << x << endl; }
	//else;

	int y = 4;
	x = 4;
	if ( x < 2 )
		y = 2;

	if ( x > 5 )
		y = 5;
	else
		y = 3;

	cout << "y = " << y << endl;

	x = 0; y = 8;
	/*
	if ( x > 2 && y / x == 1 )
		cout << "Условието е вярно\n";
	else
		cout << "Условието е грешно\n";
	*/
	if (x > 2)
		if (y / x == 1)
			cout << "Условието е вярно\n";
		else
			cout << "Условието е грешно\n";
	else
		cout << "Условието е грешно\n";

	double D = -15;
	if ( D < 0 || sqrt(D) < 2 )
		cout << "Дискриминантата е лоша\n";
	else
		cout << "Дискриминантата е хубава\n";

	y = 5;
	cout << "x = ";
	cout << ((y < 2) ? y + 1 : y - 2) << endl;

	int z;// = x > y ? x : y;
	if (x > y)
		z = x;
	else
		z = y;
	cout << "По-голямото от " << x;
	cout << " и " << y << " е " << z << endl;

	x = 10;
	if (x == 1)
		cout << "x = 1\n";
	else
		if (x == 2)
			cout << "x = 2\n";
		else
			if (x == 3)
				cout << "x = 3\n";
			else
				cout << "x != 1 && x != 2 && x != 3\n";

	if (d == 0 || d == 2 || d == 4 || d == 6 || d == 8)
		cout << "d е четна\n";
	else
		cout << "d е нечетна\n";

	x = 2;
	switch (x) {
		case 1 : x++; x++; x+= 4; break;
		case 2 : x += 2; break;
		default : x += 5;
	}

	cout << "x = " << x << endl;

	const int cc = 2;
	switch (d) {
	case 0:
	case 2:
	case 2+1-2+4-2-1+2:
	case 6:
	case 8:
		cout << "d е четна\n";break;
	default:
		cout << "d е нечетна\n";break;
	}

	return 0;
}

int main3() {
	int a, b, c;
	cout << "Моля, въведете a, b и c: ";
	cin >> a >> b >> c;

	if (a != b && b != c && a != c) {
		cout << "a, b, c са различни!\n";
	}

	if (a < b && b < c)
		cout << "a < b < c\n";
	else
	{
		if (a > b)
		{
			int x = a;
			a = b;
			b = x;
		}
		cout << "a, b, c = " << a << "," <<
				b << "," << c << endl;
		// a <= b
		if (a > c)
		{
			int x = a;
			a = c;
			c = x;
		}
		cout << "a, b, c = " << a << "," <<
				b << "," << c << endl;
		// a <= c, a <= b
		if (b > c)
		{
			int x = b;
			b = c;
			c = x;
		}
		// a <= c, a <= b, b <= c
		cout << "a, b, c = " << a << "," <<
				b << "," << c << endl;
	}

}

int main4()
{
	int a, b;
	cin >> a >> b;
	a += b;
	b = a - b;
	a -= b;
	cout << a << " " << b << endl;
	return 0;
}

int main5()
{
	int a, b, c;
	cout << "Моля, въведете a, b, c: ";
	cin >> a >> b >> c;

	int min = a;
	if (min > b)
		min = b;
	// min <= a, min <= b, min == a || min == b
	if (min > c)
		min = c;
	// min <= a, min <= b, min <= c,
	// min == a || min == b || min == c
	cout << "Най-малкото число от " << a << ", " << b;
	cout << " и " << c << " е " << min << endl;
}

int main6() {
	int a, b, c;
	cout << "Моля, въведете a, b, c: ";
	cin >> a >> b >> c;

	bool b1, b2, b3;
	b1 = (((a*a) + (b*b)) == (c*c));
	b2 = b*b + c*c == a*a;
	b3 = a*a + c*c == b*b;

	cout << "Числата " << a << ", " << b << " и " << c;
/*
 	if (b1 || b2 || b3)
		cout << " образуват ";
	else
		cout << " не образуват ";
*/

// 	if (!(b1 || b2 || b3))

//	if (!b1 && !b2 && !b3)

	if (b1 + b2 + b3 == 0)
		cout << " не образуват ";
	else
		cout << " образуват ";

	cout << "Питагорова тройка" << endl;
}

int main7() {
	char c;

	cout << "Моля, въведете главна буква на кирилица: ";
	cin >> c;

	char t;
	char t2 = ' ';

	switch (c)
	{
	case 'А':
	case 'О':
	case 'Е':
	case 'М':
	case 'Т':
	case 'K':t = c;break;
	case 'Б':t = 'B';break;
	case 'В':t = 'V';break;
	case 'Г':t = 'G';break;
	case 'Д':t = 'D';break;
	case 'Ж':t = 'Z';t2 = 'H';break;
	case 'З':t = 'Z';break;
	case 'И':t = 'I';break;
	case 'Й':t = 'Y';break;
	case 'Л':t = 'L';break;
	case 'Н':t = 'N';break;
	case 'П':t = 'P';break;
	case 'Р':t = 'R';break;
	case 'С':t = 'S';break;
	// ....
	}

	cout << "Транслитерацията на " << c << " е " << t << t2 << endl;
}

int main()
{
	double x, y;
	int f;
	cout << "Моля, въведете x: ";
	cin >> x;
	cout << "Моля, изберете: " << endl;
	cout << "1:sin(x)\n2:cos(x)\n3:tan(x)\n4:e^x\n5:log(x)\n";
	cout << "Вашият избор: ";
	cin >> f;

	switch (f)
	{
	case 1:y = sin(x);break;
	case 2:y = cos(x);break;
	case 3:y = tan(x);break;
	case 4:y = exp(x);break;
	case 5:
		if (x > 0)
		{
			y = log(x);break;
		}
		else {
			cout << "Невалидна стойност за x!" << endl;
			return 1;
		}

	default:cout << "Невалиден избор на функция";
			 return 2;
	}

	cout << "y = " << y << endl;
}