d_arr_3

#include <iostream>

void push_front(int *&arr, int &size, int element) {
    int *newArr = new int[size + 1];
    newArr[0] = element;
    for (int i = 0; i < size; i++) {
        newArr[i + 1] = arr[i];
    }
    delete[] arr;
    arr = newArr;
    size++;
}

int main() {
    int *arr = new int[4]{2, 3, 4, 5};
    int size = 4;

    for (int i = 0; i < size; i++) {
        std::cout << arr[i] << " ";
    }
    std::cout << std::endl;
    push_front(arr, size, 1);
    push_front(arr, size, 0);
    for (int i = 0; i < size; i++) {
        std::cout << arr[i] << " ";
    }
    delete[] arr;
    return 0;
}