#include <iostream>
using namespace std;
int main()
{
 int s1=3, s2=5;
 int* a1 = new int[s1] {1,2,3};
 int* a2 = new int[s2] {10,20,30, 40, 50};

 int* arr; // this is the merged array that you will create
 int sz; // what should be its size 'sz'?

 // write your code here ...
 // .......
sz = s1+s2;
arr=new int [sz];

for(int i = 0 ; i<s1;i++)
arr[i]=a1[i];

for(int i=0 ; i<s2;i++)
arr[i+s1] = a2[i];

 // do not forget to free the memory used by the two arrays here ...
 // ......

 delete [] a1;
 delete [] a2;
 for (int i=0; i<sz; i++)
 cout << " " << arr[i];

 // program finished
 delete [] arr;
 return 0;
}