DZ_7_(27.03.25)

main.cpp

#include <iostream>
#include <algorithm> 
using namespace std;

int main()
{
	setlocale(0, "");

	srand(time(0));
	rand();

//----------------------------------Задание 1----------------------------------

	cout << "#1\n";

	int sumNumbers = 0;

	const int SIZE = 10;
	int numbers[SIZE]{};

	for (int a = 0; a < SIZE; a++) {
		numbers[a] = rand() % 41 - 20;

		cout << numbers[a] << ", ";

		sumNumbers += numbers[a];
	}

	double ArithmeticMeanNumbers = (double)sumNumbers / SIZE;

	cout << "\nСумма чисел: " << sumNumbers << ".\n";
	cout << "Среднее арифметическое: " << ArithmeticMeanNumbers << ".\n\n";

//----------------------------------Задание 2----------------------------------
	
	cout << "#2\n";

	cout << boolalpha;

	cout << "Введiть цiле число: ";
	int w = 0;
	cin >> w;

	const int size = 100;
	int num[size]{};

	bool mass = false;

	for (int b = 0; b < size; b++) {
		num[b] = rand() % 101;

		cout << num[b] << ", ";
	}

	for (int b = 0; b < size; b++) {
		if (num[b] == w) {
			cout << "\n\nЧисло '" << w << "' знайдено в масивi пiд iндексом - " << b << ".\n";
			mass = true;
			cout << mass;
		}
	}

	if (mass == false) {
		cout << "\n\nЧисло '" << w << "' не знайдено в масивi.\n";
		cout << mass;
	}

//----------------------------------Задание 3----------------------------------

	cout << "\n\n#3\n";

	const int s = 20;
	int n[s]{};

	for (int c = 0; c < s; c++) {
		n[c] = rand() % 21;

		cout << n[c] << ", ";
	}

	cout << "\n\nМiнiмальний елемент масиву: " << *min_element(n, n + s) << '\n';
	cout << "Максимальний елемент масиву: " << *max_element(n, n + s) << '\n';

//----------------------------------Задание 4----------------------------------

	cout << "\n#4\n";

	double oneDigit = 0, twoDigit = 0, threeDigit = 0;

	const int sz = 200;
	int nums[sz];

	for (int d = 0; d < sz; d++) {
		nums[d] = rand() % 201;

		cout << nums[d] << ", ";
	}

	for (int d = 0; d < sz; d++) {
		if (nums[d] < 10) {
			oneDigit++;
		}
		else if (nums[d] < 100) {
			twoDigit++;
		}
		else {
			threeDigit++;
		}
	}

	cout << "\n\n" << oneDigit << " однозначних, " << twoDigit << " двозначних, " << threeDigit << " тризначних.\n";

	double onePercent = oneDigit / sz * 100;
	double twoPercent = twoDigit / sz * 100;
	double threePercent = threeDigit / sz * 100;

	cout << "\n\nОднозначнi числа: " << onePercent << "%.\n";
	cout << "Двозначнi числа: " << twoPercent << "%.\n";
	cout << "Тризначнi числа: " << threePercent << "%.\n\n";

//----------------------------------Задание 5----------------------------------

	cout << "#5\n";

	const int razm = 10, razmer = 10, raz = 5;
	
	int chis[razm]{};

	int chislo[razmer]{};

	int chisl[raz]{};

	int m = 0;

	
    for (int e = 0; e < razm; e++) {
    	chis[e] = rand() % 11;
    
    	cout << chis[e] << ", ";
    }
    
    cout << "\n\n";
    
    for (int q = 0; q < razmer; q++) {
    	chislo[q] = rand() % 11;
    
    	cout << chislo[q] << ", ";
    }


	for (int e = 0; e < razm; e++) {
		for (int q = 0; q < razmer; q++) {
			if (chis[e] == chislo[q]) {
				chisl[m] = chis[e];
			}
		}
	}

	cout << "\n\nСпільні елементи без повторень: ";
	for (int p = 0; p < raz; p++) {
		cout << chisl[p] << " ";
	}

//----------------------------------Задание 6----------------------------------

	cout << "\n\n#6\n";



}