How should I practice Stone Game III?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Google phone screen problems in FastPrep.

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FastPrep tags this as a Google phone screen coding practice problem when the problem catalog has that company and stage context.

Problem · Array

Stone Game III

● Hard

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Problem statement

Alice and Bob play a game using the integer array stoneValue. Alice moves first. On each turn, a player removes the first 1, 2, or 3 remaining stones and adds their values to that player's score. Play continues until no stones remain.

The problem statement continues

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Examples

Example 1

stoneValue = [1,2,3,7]return = "Bob"

No matter whether Alice takes one, two, or three stones, Bob can take the remaining high-value group and finish with the larger score.

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