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class Solution:
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    def stoneGameVI(self, A, B):
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        G = [a + b for a, b in zip(A, B)]
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        G.sort()
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        L = len(A)
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        d = -sum(B) + sum(G[i] for i in range(L - 1, -1, -2))
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        return 1 if d > 0 else (-1 if d < 0 else 0)