//C program to merge two arrays into a new array using
//memcpy()
#include <stdio.h>
#include<string.h>
#include<stdlib.h>

int* mergeArrays(int arr1[],int n1,int arr2[],int n2){

    //Resultant array to store merged array
    int *res = (int*)malloc(sizeof(int) * n1 * n2);

    //Copy of elements of first array
    memcpy(res,arr1,n1 * sizeof(int));

  //Copy of elements of second array
    memcpy(res + n1, arr2, n2 * sizeof(int));  

    return res;
}

int main() {
    int arr1[]={1,3,5};
    int arr2[]={2,4,6};
    int n1 = sizeof(arr1) / sizeof(arr1[0]);
    int n2 = sizeof(arr2) / sizeof(arr2[0]);

    //Merge arr1 and arr2
    int* res=mergeArrays(arr1,n1,arr2,n2);
    
    for(int i=0;i<n1+n2;i++)
    printf("%d " , res[i]);
    
    return 0;
}