New/Delete

#include <iostream>

int main(){

    //int* ptr = (int *)malloc(sizeof(int) * 10);
    int *ptr = new int[20];

    for (int i = 0; i < 20; i++){

    ptr[i] = rand() % 9;
    std::cout << ptr[i] << "  ";

    if (i >= 19){
        std::cout << "\n";
    }
    }
    delete ptr;

    ptr = new int[20];

    for (int i = 0; i < 20; i++){

        ptr[i] = rand() % 9;
        std::cout << ptr[i] << "  ";

        if (i >= 19){
            std::cout << "\n";
        }
    }
    delete ptr;

    return 0;
}