lab 6 extra

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

void task214()
{
	cout << "task(a)" << endl;
	srand(time(0));
	const int size = 15;
	int i = 0, max=0;
	int arr1[size];
	for (i = 0; i < size; i++)
	{
		arr1[i] = rand() % 20;
		cout << arr1[i] << "   ";
		if (arr1[i] > max)
		{
			max = arr1[i];
		}
	}
	cout << endl << endl;
	cout <<"Max: "<< max << endl;
	for (i = 0; i < size-1; i++)
	{
		if (arr1[i] == max)
		{
			arr1[i] = arr1[i++];
		}
		cout << arr1[i] << "   ";
	}
	cout << endl << endl;
	cout << "task(b)" << endl;
	srand(time(0));
	int min = 20;
	int arr2[size];
	for (i = 0; i < size; i++)
	{
		arr2[i] = rand() % 20;
		cout << arr2[i] << "   ";
		if (arr2[i] < min)
		{
			min = arr2[i];
		}
	}
	cout << endl << endl;
	cout <<"Min: "<< min << endl;
	for (i = 0; i < size-1; i++)
	{
		if (arr2[i] == min)
		{
			arr2[i] = arr2[i++];
		}
		cout << arr2[i] << "   ";
	}
	cout << endl << endl;
}
void task226()
{
	srand(time(0));
	const int size = 5;
	int arr1[size], arr2[size];
	cout << "Array 1: ";
	for (int i = 0; i < size; i++)
	{
		arr1[i] = rand() % 20;
		cout << arr1[i] << "   ";
	}
	cout << endl << endl;
	cout << "Array 2: ";
	for (int j = 0; j < size; j++)
	{
		arr2[j] = rand() % 20;
		cout << arr2[j] << "   ";
	}
	cout << endl << endl;
	for (int i = 0; i < size; i++)
	{
		cout << arr1[i] << "  " << arr2[i]<<"  ";
	}

	cout << endl << endl;
}
void task215()
{
	int students[25], number;
	cout << "Height of 25 students is:\n";
	for (int i = 0; i < 25; i++)
	{
		students[i] = rand() % 31 + 160;
	}
	for (int k = 0; k < 25; k++)
	{
		for (int j = 0; j < 25; j++)
		{
			if (students[j] < students[j + 1])
				swap(students[j], students[j + 1]);
		}
		switch (k)
		{
		case 24:
			for (int l = 0; l < 25; l++)
				cout << students[l] << "  ";
			break;
		}
	}
	tryagain:
	cout << "\nEnter number of a student who has to be excluded (numeration from 0)\n";
	cin >> number;
	if (number >= 0 && number < 25)
		for (int i = 0; i < 24; i++)
		{
			if (i == number)
			{
				for (int a = number; a < 24; a++)
				{
					cout << students[a + 1] << "  ";
				}
				i = 25;
			}
			else cout << students[i] << "  ";
		}
	else
	{
		cout << "Incorrect number";
		goto tryagain;
	}
	cout << endl << endl;

}  
int main()
{int a;
	while (true)
	{
	cout << "Numbers of tasks are 214 226 215\n";
		cin >> a;
		cout << endl;
		switch (a)
		{
		case 214:
			task214();
			break;
		case 226:
			task226();
			break;
		case 215:
			task215();
			break;
		case 0:
			return(0);
			break;
		default:
			cout << "Incorrect number, try again" << endl;
			break;
}