50. Kth Largest Element

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Input: nums = [3, 2, 1, 5, 6, 4], k = 2

Output: 5

Explanation: The 2nd largest element in the array is 5.

Input: nums = [3, 2, 3, 1, 2, 4, 5, 5, 6], k = 4

Output: 4

Explanation: The 4th largest element in the array is 4.

Time Complexity

O(n log k)

Space Complexity

O(k)