// Increasing the array size
#include <iostream>
using namespace std;
int main() {
cout << "Enter the array size";
int n;
cin >> n;
int *arr1 = new int[n]
for(int i=0; i<n; ++i){
cout << "Enter element";
cin >> *(arr1+i);
}
cout << "Do you wanna increase the size of the array: (true/false)";
// for bool in c use <stdbool.h> c++ has bool datatype independently
bool val;
cin >> val;
cout << "Enter the new size of the array: ";
int n1;
cin >> n1;
int *arr2 = new int[n1];
memcpy(arr2,arr1,n);
// delete operator deallocates a block of memory allocated in heap
delete []arr1;
arr1 = arr2; // now arr1 also pointing to same array in heap;
// removing arr2 pointing to array
arr2 = nullptr;
return 0;
}
