Set Mismatch - LeetCode
leetcode.com/problems/set-mismatch/submissions/906585553/
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lass Solution { public int[] findErrorNums(int[] nums) { List<Integer> ans = new ArrayList<>(); for (int i = 0; i < nums.length - 1; i++) { if (nums[i] == nums[i + 1]) { ans.add(nums[i]); ans.add(nums[i + 1] + 1); } } return ans.stream().mapToInt(Integer::intValue).toArray(); }
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