int * ubaci(int *x,int *n,int k,int v)
{
	if(k <= *n)
	{
		*n=*n+1;

		x=(int *)realloc(x,*n*sizeof(int));

		for (int i=*n-1;i>k-1;i--)
			x[i]=x[i-1];
		x[k]=v;
	}
	return x;
}