1. homework 1b (12.09) - Syerikgul/Homeworks GitHub Wiki

#include

int main() { int n; do { std::cout << "Input n (n>0): "; std::cin >> n; } while (n <= 0);

char background = ' ', foregraound = ' ';
int step;
// Верхний треугольник
    for (int i = 1; i <= n; ++i) {
        for (step = 1; step <= n; ++step) {
            for (int j = 1; j <= n - i; ++j) {
                std::cout << " ";
            }
            for (int j = 1; j <= 2 * i - 1; ++j) {
                std::cout << "*";
            }
            for (int j = 1; j <= n - i; ++j) {
                std::cout << " ";
            }
        }
        std::cout << std::endl;
    }
    // Нижний треугольник
for (int i = n - 1; i >= 1; --i) {
    for (int step = 1; step <= n; ++step) {
        for (int j = 1; j <= n - i; ++j) {
            std::cout << " ";
        }
        for (int j = 1; j <= 2 * i - 1; ++j) {
            std::cout << "*";
        }
        for (int j = 1; j <= n - i; ++j) {
            std::cout << " ";
        }
    }
    std::cout << std::endl;
}

}

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