gistfile1.txt

1)
#include <iostream>

void calculateSumAndProduct(int* arr, int size, int* sum, int* product) {
    *sum = 0;
    *product = 1;

    for (int i = 0; i < size; ++i) {
        *sum += arr[i];
        *product *= arr[i];
    }
}

int main() {
    int array[] = {1, 2, 3, 4, 5};
    int size = sizeof(array) / sizeof(array[0]);
    int sum = 0, product = 0;

    calculateSumAndProduct(array, size, &sum, &product);

    std::cout << "Сума: " << sum << std::endl;
    std::cout << "Добуток: " << product << std::endl;

    return 0;
}

2)
#include <iostream>

void countElements(int* arr, int size, int* negativeCount, int* positiveCount, int* zeroCount) {
    *negativeCount = 0;
    *positiveCount = 0;
    *zeroCount = 0;

    for (int i = 0; i < size; ++i) {
        if (arr[i] < 0)
            (*negativeCount)++;
        else if (arr[i] > 0)
            (*positiveCount)++;
        else
            (*zeroCount)++;
    }
}

int main() {
    int array[] = {3, -1, 0, 4, -5, 0, 2};
    int size = sizeof(array) / sizeof(array[0]);
    int neg = 0, pos = 0, zero = 0;

    countElements(array, size, &neg, &pos, &zero);

    std::cout << "Кількість від'ємних: " << neg << std::endl;
    std::cout << "Кількість додатних: " << pos << std::endl;
    std::cout << "Кількість нульових: " << zero << std::endl;

    return 0;
}

5)
#include <iostream>

int* appendBlock(int* array, int size, int* block, int blockSize, int* newSize) {
    *newSize = size + blockSize;
    int* newArray = new int[*newSize];

    for (int i = 0; i < size; ++i)
        newArray[i] = array[i];

    for (int i = 0; i < blockSize; ++i)
        newArray[size + i] = block[i];

    return newArray;
}

int main() {
    int arr[] = {1, 2, 3};
    int block[] = {4, 5, 6};
    int newSize;

    int* result = appendBlock(arr, 3, block, 3, &newSize);

    std::cout << "Новий масив: ";
    for (int i = 0; i < newSize; ++i)
        std::cout << result[i] << " ";

    delete[] result;
    return 0;
}