157. Kth Largest Element in a Stream

Medium

Topics

Companies

Helpful tools to learn & understand

Visualize LogicActive Simulator

Watch key transitions, pointers, and variables update step-by-step.

Open

Check Solutions

Read clean, documented implementations across multiple patterns.

View Code

Thinkpad (Draw & Note)

Sketch diagrams on an infinite canvas and draft notes directly inline.

Draw

Example 1:

Input: Methods = ["KthLargest", "add", "add", "add", "add", "add"], Args = [[3, [4, 5, 8, 2]], [3], [5], [10], [9], [4]]

Output: [null, 4, 5, 5, 8, 8]

Explanation: KthLargest kthLargest = new KthLargest(3, [4, 5, 8, 2]); kthLargest.add(3); // return 4 kthLargest.add(5); // return 5 kthLargest.add(10); // return 5 kthLargest.add(9); // return 8 kthLargest.add(4); // return 8

Example 2:

Input: Methods = ["KthLargest", "add", "add", "add", "add"], Args = [[4, [7, 7, 7, 7, 8, 3]], [2], [10], [9], [9]]

Output: [null, 7, 7, 7, 8]

Explanation: KthLargest kthLargest = new KthLargest(4, [7, 7, 7, 7, 8, 3]); kthLargest.add(2); // return 7 kthLargest.add(10); // return 7 kthLargest.add(9); // return 7 kthLargest.add(9); // return 8

Constraints:

•
•
•
•
•

Time Complexity

O(n log k)

Space Complexity

O(k)