Sliding Window pattern
Max Points From Cards
Given a row of cards with point values, take exactly k cards from either the start or the end, and return the maximum total points obtainable. Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 1423
- Medium
- 2 approaches
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Sliding WindowLeetCode 1423
Medium
From the first idea to the best one
- 01 Brute force · try every front/back split O(K²)O(1) space
- 02 Optimized · minimize the window you leave O(n)O(1) space
What you will learn
- How to read Max Points From Cards and spot the sliding window pattern in it
- Brute force · try every front/back split: O(K²) time, O(1) space
- Optimized · minimize the window you leave: O(n) time, O(1) space
- The pseudocode for each approach, its line lit as the animation runs
- Practice: write your own pseudocode and get it checked
More Sliding Window
See Max Points From Cards run, step by step
Sign in and this page opens on the animation, with all 8 Sliding Window problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.