215. Kth Largest Element in an Array
Description
Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.
Note: You may assume k is always valid, 1 ≤ k ≤ array's length.
Constraints
Approach
Links
GeeksforGeeks
ProgramCreek
YouTube
Examples
Input: [3, 2, 1, 5, 6, 4] and k = 2
Output: 5
Solutions
/**
* Time complexity : O(NlogN)
* Space complexity : O(1)
*/
class Solution {
public int findKthLargest(int[] nums, int k) {
Arrays.sort(nums);
return nums[nums.length-k];
}
}
Follow up
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