c++ allocate memory code example

Example 1: c++ delet from memory

// Delete pointer
int* ptr1 = new int;
delete ptr1;

// Delete array
int* array = new int[10];
delete[] array;

Example 2: c++ delete dynamically allocated array

int length = 69;
int * numbers = new int[length];
delete[] numbers;

Example 3: cpp malloc

int alloc_size = 10;
int* buffer = (int*) malloc (alloc_size);
//Allocate memory block which can fit 10 integers