Count distinct elements in every window | SDE Sheet | Hashing
source link: https://www.geeksforgeeks.org/videos/count-distinct-elements-in-every-window-sde-sheet-hashing/
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Count distinct elements in every window
- 09/06/2022
In this video we will see when given an array of size n and an integer k, how to return the count of distinct numbers in all windows of size k.
Example:
Input: arr[] = {1, 2, 1, 3, 4, 2, 3}; k = 4
Output: 3 4 4 3
Explanation: First window is {1, 2, 1, 3}, count of distinct numbers is 3 Second window is {2, 1, 3, 4} count of distinct numbers is 4 Third window is {1, 3, 4, 2} count of distinct numbers is 4 Fourth window is {3, 4, 2, 3} count of distinct numbers is 3
Check out the video to see how we implement this!!
Practice Problem: https://practice.geeksforgeeks.org/problems/count-distinct-elements-in-every-window/1 Article: https://www.geeksforgeeks.org/count-distinct-elements-in-every-window-of-size-k/ SDE Sheet: https://www.geeksforgeeks.org/sde-sheet-a-complete-guide-for-sde-preparation/
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