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2684. Determine the Winner of a Bowling Game

My accepted Python solution to LeetCode problem 2684, Determine the Winner of a Bowling Game, running in 7ms.

  • Difficulty: Easy
  • Python
  • Runtime 7ms
  • Memory 17.6MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 7ms, memory 17.6MB, accepted 2025-12-31.

python
class Solution:
    def isWinner(self, player1: List[int], player2: List[int]) -> int:
        def calc_score(player):
            score = 0
            for i in range(len(player)):
                if (i >= 1 and player[i-1] == 10) or (i >= 2 and player[i-2] == 10):
                    score += 2 * player[i]
                else:
                    score += player[i]
            return score
        
        s1 = calc_score(player1)
        s2 = calc_score(player2)
        
        if s1 > s2:
            return 1
        elif s2 > s1:
            return 2
        else:
            return 0

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