merge array.txt

#include <stdio.h> //NAME- KINGSUK BASAK  ;  Roll - CSE2019/027;
#include <stdlib.h>

void main()
{
    int size1, size2, pos, ar1[100], ar2[100], merge[200];
    do
    {
        printf("Enter size of first array less than 100 : "); //taking first array size less than 100.
        scanf("%d", &size1);
        printf("Enter size of second array less than 100 : "); //taking second array size less than 100.
        scanf("%d", &size2);
    } while (size1 > 100 && size2 > 100);
    for (int i = 0; i < size1; i++) //creating first array of random elements.
        ar1[i] = rand();
    for (int i = 0; i < size2; i++) //creating second array of random elements.
        ar2[i] = rand();
    for (int i = 0; i < size1; i++) //coping first array to merge array.
    {
        merge[i] = ar1[i];
    }
    pos = size1;
    for (int i = 0; i < size2; i++) //adding second array to merge array.
    {
        merge[pos] = ar2[i];
        pos++;
    }
    printf("\nFirst array : ");
    for (int i = 0; i < size1; i++) //printing first array.
        printf("%d , ", ar1[i]);
    printf("\nSecond array : ");
    for (int i = 0; i < size2; i++) //printing second array.
        printf("%d , ", ar2[i]);
    printf("\nMerge array : ");
    for (int i = 0; i < size1 + size2; i++) //printing merge array.
        printf("%d , ", merge[i]);
}