题解 | #没有出现的编号#

import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param nums int整型一维数组 
     * @return int整型一维数组
     */
    public int[] findMissingAndMaxNegative (int[] nums) {
        // write code here
        int[] res = new int[2];
        Arrays.sort(nums);
        
        if(nums[0] >= 0){
            res[1] = 0;
        }else if(nums[nums.length -1] < 0){
            res[1] = nums[nums.length -1];
        }else{
            for(int i = 1;i < nums.length;i++){
                if(nums[i]>=0){
                    res[1] = nums[i - 1];
                    break;
                }
            }
        }

        int missing = 1;
        for(int i = 1;i < nums.length;i++){
            if(nums[i]>0){
                if(nums[i] != missing){
                    res[0] = missing;
                    break;
                }else{
                    missing++;
                }
            }
        }
        res[0] = missing;
        return res;
    }
}