interclasare kk

#include <stdio.h>
#include <stdlib.h>

int main()
{
    printf("Hello world!\n");
    int *a,*b,*c,i,j,n,aux,m,k;
    scanf("%d",&n);
    scanf("%d",&m);
    a=(int*)malloc(sizeof(int)*n);
    b=(int*)malloc(sizeof(int)*n);
    c=(int*)malloc(sizeof(int)*n+m);
    for ( i=0; i<n; i++ )
        scanf("%d",a+i);
    for ( i=0; i<m; i++ )
        scanf("%d",a+i);
    i=0;
       for ( k=0; k<n; k++ )
            for ( j=0; j<=m; j++ )
                if ( *(a+k)<*(b+j) )
                {
                    *(c+i)=*(a+i);
                    i++;
                   // printf("%d ",*(c+i));
                }
                else
                {
                    *(c+i)=*(b+j);
                    i++;
                    //printf("%d ",*(c+i));
                }
    for ( k=0; k<i; k++ )
        printf("%d  ",*(c+k));
    return 0;
}