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https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array/

class Solution {
    public List<Integer> findDisappearedNumbers(int[] nums) {
        for (int i = 0; i < nums.length; i++) {
            int newIndex = Math.abs(nums[i]) - 1;
            if (nums[newIndex] > 0) {
                nums[newIndex] *= -1;
            }
        }
        List<Integer> result = new LinkedList<Integer>();
        for (int i = 1; i <= nums.length; i++) {           
            if (nums[i - 1] > 0) {
                result.add(i);
            }
        }        
        return result;
    }
}

×÷Õß：LeetCode
Á´½Ó：https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array/solution/zhao-dao-suo-you-shu-zu-zhong-xiao-shi-de-shu-zi-2/
À´Ô´：Á¦¿Û（LeetCode）