2024-01-15 08:45:13 +0000 UTC

Find Players With Zero or One Losses
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Code

class Solution:
    def findWinners(self, matches):
        losses = [0] * 100001

        for winner, loser in matches:
            if losses[winner] == 0:
                losses[winner] = -1

            if losses[loser] == -1:
                losses[loser] = 1
            else:
                losses[loser] += 1

        zero_loss = [i for i in range(1, 100001) if losses[i] == -1]
        one_loss = [i for i in range(1, 100001) if losses[i] == 1]

        return [zero_loss, one_loss]