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How to Solve Maximum Points You Can Obtain from Cards Problem
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Medium#1423
LeetCode ProblemMaximum Points You Can Obtain from Cards
There are several cards arranged in a row, and each card has an associated number of points. The points are given in the integer array cardPoints. In one step, you can take one card from the beginning or from the end of the row. You have to take exactly k cards. Your score is the sum of the points of the cards you have taken. Given the integer array cardPoints and the integer k, return the maximum score you can obtain.
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Problem Breakdown
Understanding the Maximum Points You Can Obtain from Cards Problem
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Problem Statement
There are several cards arranged in a row, and each card has an associated number of points. The points are given in the integer array cardPoints. In one step, you can take one card from the beginning or from the end of the row. You have to take exactly k cards. Your score is the sum of the points of the cards you have taken. Given the integer array cardPoints and the integer k, return the maximum score you can obtain.
MediumProblem #1423
LeetCodeMaximum Points You Can Obtain from Cards
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Examples
# Example 1
Input
cardPoints = [1,2,3,4,5,6,1], k = 3
Output
12
# Example 2
Input
cardPoints = [2,2,2], k = 2
Output
4
# Example 3
Input
cardPoints = [9,7,7,9,7,7,9], k = 7
Output
55
Constraints
1 <= cardPoints.length <= 105
1 <= cardPoints[i] <= 104
1 <= k <= cardPoints.length
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Solve Maximum Points You Can Obtain from Cards — There are several cards arranged in a row, and each card has an associated numbe...
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PhantomCodeAI reads the problem from a screenshot or listens to it via audio, then generates a complete solution with a step-by-step approach and time/space complexity, so you can focus on explaining your reasoning rather than getting stuck on implementation.
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