【每日一题Day317】LC2605从两个数字数组里生成最小数字 | 哈希表

class Solution {
    public int minNumber(int[] nums1, int[] nums2) {
        boolean[] vis1 = new boolean[10];
        boolean[] vis2 = new boolean[10];
        int same = 10;
        int a = 10, b = 10;
        for (int num : nums1){
            a = Math.min(a, num);
            vis1[num] = true;
        }
        for (int num : nums2){
            if (vis1[num]){
                same = Math.min(same, num);
            }
            b = Math.min(b, num);
            vis2[num] = true;
        }
        if (same != 10){
            return same;
        }
        if (a < b){
            return a * 10 + b;
        }
        return b * 10 + a;
    }
}