#include <iostream>

int main()
{
	//1
	/*int lenght = 0;
	std::cout << "Enter N:";
	std::cin >> lenght;
	int *array = new int[lenght];
	std::cout << "Enter array:" << std::endl;
	unsigned int sum=0;
	for (int i = 0; i < lenght; i++)
	{
		std::cin >> array[i];
		sum += array[i];
	}
	sum = (0 + lenght) / 2 * (lenght+1) - sum;
	std::cout << "Missing element:" << sum;*/
	//2
	/*int lenght = 0;
	std::cout << "Enter N:";
	std::cin >> lenght;
	int *array = new int[lenght];
	std::cout << "Enter array:" << std::endl;
	for (int i = 0; i < lenght; i++)
	{
		std::cin >> array[i];
	}
	int count=0;
	for (int i = 0; i < lenght; i++)
		if (array[i] != 0)
		{
			int m = array[i];
			count++;
			for (int j = 0; j < lenght; j++)
				if (m == array[j])
					array[j] = 0;
		};
	std::cout <<"Diffirent value:"<< count;*/
	//3
	/*const int lenght = 8;
	int array[lenght]{ };
	int m;
	std::cout << "Enter m:";
	std::cin >> m;
	int i = 0;
	int count = 0;
	int k= 1;
	while (count != lenght-1)
	{
		if (k % m == 0)
		{
			count++;
			array[i] = 1;
			k = 0;
		}
		if (i >= lenght-1)
			i =i-lenght;
		while (array[i + 1] == 1)
		{
			if (i >= lenght - 1)
				i = i - lenght;
			i++;
			if (i >= lenght - 1)
				i = i - lenght;
		};
		i++;
		k++;
	}
	for (int j = 0; j < lenght; j++)
		if (array[j] != 1)
			std::cout << "Live:" << j;*/
	std::cout << std::endl;
	return 0;
}