DZ_6_(25.03.25)

main.cpp

#include <iostream>
using namespace std;


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

//Exercise 1
int main()
{
    setlocale(0, "");

	int N;

	cout << "Введіть висоту рівнобедреного трикутника (N): ";
    cin >> N;

	for (int i = 1; i <= N; i++) {

		for (int j = 1; j <= N - i; j++) {

			cout << "-";
		}

		for (int k = 1; k <= 2 * i - 1; k++) {

			cout << "*";
		}
		cout << "\n";
	}
}


//----------------------------------Задание 2----------------------------------

//Exercise 2
void printRhombus(int size) {
    for (int i = 1; i <= size; i++) {
        for (int j = 1; j <= size - i; j++) cout << " ";
        for (int k = 1; k <= 2 * i - 1; k++) cout << "*";
        cout << "\n";
    }

    for (int i = size - 1; i >= 1; i--) {
        for (int j = 1; j <= size - i; j++) cout << " ";
        for (int k = 1; k <= 2 * i - 1; k++) cout << "*";
        cout << "\n";
    }
}

void printArrow(int size) {
    for (int i = 1; i <= size / 2 + 1; i++) {
        for (int j = 1; j < i; j++) cout << " ";
        cout << "*\n";
    }

    for (int i = size / 2; i >= 1; i--) {
        for (int j = 1; j < i; j++) cout << " ";
        cout << "*\n";
    }
}

void printEight(int size) {
    for (int i = 1; i <= size * 2 + 1; i++) {
        if (i == 1 || i == size + 1 || i == size * 2 + 1) {
            for (int j = 1; j <= size; j++)
                cout << "*";
        }
        else {
            cout << "*";
            for (int j = 2; j < size; j++)
                cout << " ";
            cout << "*";
        }
        cout << "\n";
    }
}

int main() {
    int size = 4;

    cout << "Rhombus:\n";
    printRhombus(size);

    cout << "\nArrow:\n";
    printArrow(size);

    cout << "\nEight:\n";
    printEight(size);
}


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

//Exercise 3
void printRhombus(int size) {
    for (int i = 1; i <= size / 2 + 1; i++) {
        for (int j = 1; j <= size / 2 + 1 - i; j++) 
            cout << " ";
        for (int k = 1; k <= 2 * i - 1; k++) 
            cout << "*";
        cout << "\n";
    }

    for (int i = size / 2; i >= 1; i--) {
        for (int j = 1; j <= size / 2 + 1 - i; j++) 
            cout << " ";
        for (int k = 1; k <= 2 * i - 1; k++) \
             cout << "*";
         cout << "\n";
     }
 }
 
 void printArrow(int size) {
     for (int i = 1; i <= size / 2 + 1; i++) {
         for (int j = 1; j < i; j++) cout << " ";
         cout << "*\n";
     }
 
     for (int i = size / 2; i >= 1; i--) {
         for (int j = 1; j < i; j++) cout << " ";
         cout << "*\n";
     }
 }
 
 void printEight(int size) {
     for (int i = 1; i <= size * 2 + 1; i++) {
         if (i == 1 || i == size + 1 || i == size * 2 + 1) {
             for (int j = 1; j <= size; j++) 
                 cout << "*";
         }
         else {
             cout << "*";
             for (int j = 2; j < size; j++) 
                 cout << " ";
             cout << "*";
         }
         cout << "\n";
     }
 }
 
 int main() {
     int size;
 
     cout << "Enter an odd size (e.g. 13, 15, 17...): ";
     cin >> size;
 
     if (size < 3 || size % 2 == 0) {
         cout << "Error: size must be an odd number greater than or equal to 3!\n";
     }
 
     cout << "\nRhombus:\n";
     printRhombus(size);
 
     cout << "\nArrow:\n";
     printArrow(size);
 
     cout << "\nEight:\n";
     printEight(size);
 }