Facebook Interview Question


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P1>P2 and P2>P3 implies P1>P3
The first question is basically finding the max in an array. First compare between P1 and P2, store the bigger one and then match the result with P3. This process goes on till PN.

The second question is basically sorting the players. This is merge sort where the results of the pairwise matches determine which element is larger.

- Pratik October 05, 2021 | Flag Reply
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int x

- Anonymous October 13, 2021 | Flag Reply
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what was the input other than N?

- Anonymous October 27, 2021 | Flag Reply
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What was the inputs other than N?

- Anirban October 27, 2021 | Flag Reply
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def get_tournament_winner(games_played):
    return (set([player[0] for player in games_played]) -  # O(N)
    set([win for winns in games_played for win in winns[1]]) ) # + O(N)

def test():
    input1 = [(1, [3,5,8,9]), (2, [1, 4, 6]), (3, [4, 9]), (4, [8])]
    winner = get_tournament_winner(input1)
    if winner != {2}:
        print(f"Test failed {winner}")
    else: 
        print("Test ok")

if __name__ == "__main__":
    test()

- yp November 25, 2021 | Flag Reply


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