import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * @description:
 *
 *    nums  answer  (answer[i], answer[j]) 
 * answer[i] % answer[j] == 0 
 * answer[j] % answer[i] == 0
 * 
 *
 *
 *
 *  1
 *
 * nums = [1,2,3]
 * [1,2]
 * [1,3] 
 *  2
 *
 * nums = [1,2,4,8]
 * [1,2,4,8]
 *
 *
 * 
 *
 * 1