// zadacha 1
// тук програмата извежда броя на чифрите на въведеното число.

#include "pch.h"
#include <iostream>

using namespace std;
int main()
{

	int num;
	int digit = 0 ;
	cout << "Enter number:" << endl;
	cin >> num;

	do
	{
		num = num / 10;
		digit++;
	} while (num != 0);
	cout << "Number of digits in the given integer is: " << digit;


}
задача 2:
// zadacha 2
// тук програмата извежда сбора на числата на въведеното число.

#include "pch.h"
#include <iostream>

using namespace std;
int main()
{

	int num;
	int digit = 0 ;
	cout << "Enter number:" << endl;
	cin >> num;

	while (num != 0) {

		digit = digit + num % 10;
		num = num / 10;
	}

	cout << "Number of digits in the given integer is: " << digit;


}
задача 3:
// zadacha 3
//

#include "pch.h"
#include <iostream>

using namespace std;
int main()
{
	int a;
	int num;
	int c = 0;
	cout << "Enter number:" << endl;
	cin >> num;

	while (num != 0) {

		a = num % 10;
		c = c * 10 + a;
		num = num / 10;
	}

	cout << "Number of digits in the given integer is: " << c;


}
задача 4 :
// zad 4 lab.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

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



int main()
{
	int givenNum;
	cout << "Enter number:";
	cin >> givenNum;
	int current;
	int currentcounter = 0;
	int numbers[10] = { 0,1,2,3,4,5,6,7,8,9 };

	for (int i = 0; i < 10; i++) {

		while (givenNum > 0) {

			if ((givenNum % 10) == numbers[i]) {

				currentcounter++;
			}
			givenNum = givenNum / 10;
		}
		cout << numbers[i] << "/" << currentcounter << endl;
		currentcounter = 0;
	}

	return 0;
}


задача 5 :
// Dom rabota zad 5 lekciya .cpp : This file contains the 'main' function. Program execution begins and ends there.
//

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

int main()
{
	char symbol;
	int rowcount;
	int space;
	cout << "Enter a symbol:";
	cin >> symbol;

	cout << "Enter row number:" << endl;
	cin >> rowcount;

	for (size_t i = 0; i < rowcount; i++) {

		for (space = 1; space <= rowcount - i; ++space) {
			cout << " ";
		}
		for (int j = 0; j < 1; j++) {
			cout << symbol;
			cout << " ";
		}
		cout << "\n";
	}
}