prepend, C++ (gcc)

prepend

//g++  7.4.0

//write a function that prepends first  n elements of array b  ahead of the first m elements of array a. Make sure array a has room for at least m+n elements;
//this code is created by Rezaul Hoque on June 16,2021; contact: jewelmrh@yahoo.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their  learning;

#include <iostream>
using namespace std;
 int size =9;
int m=5, n=2;
 void prepend(int [], int , int [], int);
void prepend(int a[], int m, int b[], int n){
int i;

for (i=0;i<n; i++)
a[i]= b[i];//prepend n elements of b at the start of a, starting from index i ; 
for(i=0;i<size;i++)
cout<<" "<<a[i];
}
int main ()
{
int size =9;
int m=5, n=2;
int a[size]={0,0,1,2,3,4,5,0,0};//size of array a must have ample room so that we could put the elements of b at the start of it; for this reason ,  n elements at the start and rest of the array a are filled with 0
int b[n]={6,7};
prepend(a,5,b,2);
return 0;
}


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