#include <iostream>
#include <math.h>
using namespace std;




void Five_dot_one() {
	double x, y; //Create variables
	cout << "Write x: ";
	cin >> x; //Input x
	y = abs(x - cos(x)); //Calculate the result
	cout << "Y:= " << y << endl << endl; //Result output
}

void Five_dot_two() {
	double x, y; //Create variables
	double *temp = &x; //Create variable referenced to X
	cout << "Write x: ";
	cin >> x;
	y = abs(*temp - cos(*temp)); //Calculate the result
	cout << "Y:= " << y << endl << endl; //Result output
}

void Five_dot_three() {
	int count = 10, temp, sum = 0; //Create variables
	cout << "Enter numbers: ";

	int arr[10]; //Create array

	for (int i = 0; i < count; i++) {
		cin >> temp; //Input variable
		arr[i] = temp; //Write down variable to the array
	}

	temp = arr[0];
	for (int i = 0; i < count; i++) { //Finds minimum positive element
		if (temp <= 0)
			temp = arr[i];
		if (arr[i] > 0 && arr[i] < temp)
			temp = arr[i];
	}
	if (temp > 0)
		cout << "Minimum positive element: " << temp << endl;
	else
		cout << "No positive elements" << endl;

	for (int i = 0; i < count; i++) { //Calculate the sum of positive elements
		if ((arr[i] > 0) && (arr[i] % 3 == 0))
			sum += arr[i];
	}
	cout << "The sum of positive elements multiple 3: " << sum << endl;

	cout << "Non zero elements: " << endl;
	for (int i = 0; i < count; i++) { //Calculate the sum of positive elements
		if (arr[i] > 0)
			cout << arr[i] << endl;
	}
	cout << endl;
}

void Five_dot_four() {
	int count, temp, sum = 0; //Create variables
	cout << "Enter array count: ";
	cin >> count;
	cout << "Enter numbers: ";

	int *arr = new int[count]; //Create array

	for (int i = 0; i < count; i++) {
		cin >> temp; //Input variable
		arr[i] = temp; //Write down variable to the array
	}

	temp = arr[0];
	for (int i = 0; i < count; i++) { //Finds minimum positive element
		if (temp <= 0)
			temp = arr[i];
		if (arr[i] > 0 && arr[i] < temp)
			temp = arr[i];
	}
	if (temp > 0)
		cout << "Minimum positive element: " << temp << endl;
	else
		cout << "No positive elements" << endl;

	for (int i = 0; i < count; i++) { //Calculate the sum of positive elements
		if ((arr[i] > 0) && (arr[i] % 3 == 0))
			sum += arr[i];
	}
	cout << "The sum of positive elements multiple 3: " << sum << endl;

	cout << "Non zero elements: " << endl;
	for (int i = 0; i < count; i++) { //Calculate the sum of positive elements
		if (arr[i] > 0)
			cout << arr[i] << endl;
	}

	delete arr;
}

int main() {
	Five_dot_one(); //Call the Five_dot_one function
	Five_dot_two(); //Call the Five_dot_two function
	Five_dot_three();//Call the Five_dot_three function
	Five_dot_four();
	system("pause");
}