How should I practice Optimal Score Difference in an Endpoint Game?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Rippling online assessment problems in FastPrep.

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Optimal Score Difference in an Endpoint Game

Rippling● MediumINTERNFULLTIMEOA

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Problem statement

Two players alternately remove either the first or the last number from nums until the array is empty. A removed number is added to that player's score. The first player moves first.

Both players play optimally to maximize their own final score. Return the first player's score minus the second player's score. The answer may be negative.

Function

maximumScoreDifference(nums: int[]) → int

Examples

Example 1

nums = [1,5,2]return = -2

The first player can collect 3 while the second collects 5, giving -2.

Example 2

nums = [4,7,2,9]return = 10

The first player can secure 16 while the second collects 6, giving 10.

Constraints

1 <= nums.length <= 1000.
-10^6 <= nums[i] <= 10^6.