961. N-Repeated Element in Size 2N Array
Description
You are given an integer array nums
with the following properties:
nums.length == 2 * n
.nums
containsn + 1
unique elements.- Exactly one element of
nums
is repeatedn
times.
Return the element that is repeated n
times.
Example 1:
Input: nums = [1,2,3,3] Output: 3
Example 2:
Input: nums = [2,1,2,5,3,2] Output: 2
Example 3:
Input: nums = [5,1,5,2,5,3,5,4] Output: 5
Constraints:
2 <= n <= 5000
nums.length == 2 * n
0 <= nums[i] <= 104
nums
containsn + 1
unique elements and one of them is repeated exactlyn
times.
Solutions
Solution 1
1 2 3 4 5 6 7 |
|
1 2 3 4 5 6 7 8 9 10 |
|
1 2 3 4 5 6 7 8 9 10 11 12 |
|
1 2 3 4 5 6 7 8 9 |
|
1 2 3 4 5 6 7 8 9 |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 |
|