#include "pch.h"
#include <iostream>
using namespace std;

void main() {
	const int SIZE = 10;
	int i;
	int array[SIZE] = { 3, 0, 6, 5, 9, 2, 9, 8, 1, 0 };

	cout << "Massiv:";
	for (i = 0; i < SIZE; i++) {
		cout << array[i] << " ";
	}
	cout << "\n" << endl;

	cout << "1)-------------------\n";
	cout << "Chetnie:\n";
	int even = array[0];
	for (i = 0; i < SIZE; i++) {
		if (array[i] % 2 == 0) {
			even = array[i];
			cout << array[i] << " ";
		}
	}
	cout << endl;

	cout << "\nNechetnie:\n";
	int odd = array[0];
	for (i = 0; i < SIZE; i++) {
		if (array[i] % 2 == 1) {
			odd = array[i];
			cout << array[i] << " ";
		}
	}
	cout << endl;

	cout << "\n2)-------------------\n";
	cout << "Min and Max:\n";
	int min = array[0];
	for (i = 0; i < SIZE; i++) {
		if (array[i] < min) {
			min = array[i];
		}
	}
	int max = array[0];
	for (i = 0; i < SIZE; i++) {
		if (array[i] > max) {
			max = array[i];
		}
	}
	cout << min << " " << max << endl;

	cout << "\n3)-------------------\n";
	cout << "Min elementy:\n";
	int min2 = array[0];
	int count = 0;
	for (i = 0; i < SIZE; i++) {
		if (array[i] < min2) {
			min2 = array[i];
			count = 1;
		}
		else if (array[i] == min2) {
			count++;
		}
	}
	for (i = 0; i < count; i++)
		cout << min2 << " ";
	cout << endl;

	cout << "\nMax elementy:\n";
	int max2 = array[0];
	count = 0;
	for (i = 0; i < SIZE; i++) {
		if (array[i] > max2) {
			max2 = array[i];
			count = 1;
		}
		else if (array[i] == max2) {
			count++;
		}
	}
	for (i = 0; i < count; i++)
		cout << max2 << " ";
	cout << endl;

	cout << "\n4)-------------------\n";
	cout << "Min and Max, First and Last\n";
	int first = array[0];
	int last = array[0];
	count = 0;
	for (i = 0; i < SIZE; i++) {
		count++;
	}
	last = array[count - 1];

	cout << min << " " << max << " " << first << " " << last << endl;

	cout << "\n5)-------------------\n";
	cout << "Zamena:\n";
	int max3 = array[0];
	int min3 = array[0];
	int maxPosition = 0;
	int minPosition = 0;
	for (i = 0; i < SIZE; i++) {
		if (array[i] > max3) {
			max3 = array[i];
			maxPosition = i;
		}
		if (array[i] < min3) {
			min3 = array[i];
			minPosition = i;
		}
	}
	array[minPosition] = first;
	array[0] = min3;
	array[maxPosition] = last;
	array[SIZE - 1] = max3;

	for (int i = 0; i < SIZE; i++) {
		cout << array[i] << " ";
	}
	cout << endl;
	array[minPosition] = min;
	array[0] = first;
	array[maxPosition] = max;
	array[SIZE - 1] = last;

	cout << "\n6)-------------------\n";
	cout << "Arithmetic mean:\n";
	float sum = 0;
	for (i = 0; i < SIZE; i++) {
		sum += array[i];
	}
	float mid = sum / SIZE;
	cout << mid << endl;

	cout << "\n7)-------------------\n";
	cout << "Summa chisel massiva posle pervogo nulya:\n";
	sum = 0;
	bool firstnull = false;
	for (int i = 0; i < SIZE; i++) {
		if (array[i] == 0) {
			firstnull = true;
		}
		if (firstnull == true) {
			sum += array[i];
		}
	}
	cout << sum << endl;

	cout << "\n8)-------------------\n";
	cout << "SecondMax:\n";
	int smax = array[0];
	for (i = 0; i < SIZE; i++) {
		if (array[i] > smax && array[i] < max) {
			smax = array[i];
		}
	}
	cout << smax << endl;

	cout << "\n9)-------------------\n";
	cout << "Kolichestvo razlichnih elementov massiva:\n";


	cout << "\n10)------------------\n";
	count = 0;
	for (i = 0; i < SIZE; i++) {
		if (array[i] != 0) {
			swap(array[count++], array[i]);
		}
	}
	for (i = 0; i < SIZE; i++) {
		cout << array[i] << " ";
	}
	cout << "\n" << endl;

	system("pause");
}