merge two array

#include<stdio.h>

#include<conio.h>

void main()

{     int a[10],b[10],c[20],i,j,n1,n2,k;

      clrscr();

      printf("\nenter total no. of elements for first array:");

      scanf("%d",&n1);

      printf("\nenter elements");

      for(i=0;i<n1;i++)

      scanf("%d",&a[i]);

      for(i=0;i<n1;i++)

      printf("\ta[%d]=%d",i,a[i]);

      printf("\nenter total no. of elements for second array:");

      scanf("%d",&n2);

      printf("\nenter elements");

      for(j=0;j<n2;j++)

      scanf("%d",&b[j]);

      for(j=0;j<n2;j++)

      printf("\tb[%d]=%d",j,b[j]);

      i=0;j=0;k=0;

      while(i<n1 && j<n2)

      {

            if(a[i]<=b[j])

            {

                  c[k]=a[i];

                  i++;

                  k++;

            }

            else

            {

                  c[k]=b[j];

                  j++;

                  k++;

            }

      }

      while(i<n1)

      {

            c[k]=a[i];

            i++;

            k++;

      }

      while(j<n2)

      {

            c[k]=b[j];

            j++;

            k++;

      }

      printf("\nnew array is");

      for(k=0;k<n1+n2;k++)

      printf("\tc[%d]=%d",k,c[k]);

      getch();

}