Say we have a tournament of some sort. It doesn’t matter what the tournament is for. All we need to know is:
- Each game in the tournament is 1 vs 1
- At the end of a game, each player has a non-negative score (0 or higher)
- Usual rule: higher score wins, but ties are possible
- To keep things fair, at the end of the tournament, everybody has played the same number of games
Given the results of a tournament and the IDs of two players,
we’d like to know which of those two players did better in the overall tournament.
Game results are in the format:
{player1, score1, player2, score2}
Example tournamentResults:
{0, 9, 2, 7},
{1, 11, 14, 2},
{3, 6, 7, 5},
{4, 10, 8, 7},
{5, 12, 12, 12},
{9, 8, 10, 3},
{11,11, 13, 12},
{15, 5, 6, 15},
{0, 5, 14, 8},
{1, 11, 2, 13},
{3, 7, 15, 8},
{4, 7, 10, 3},
{5, 8, 13, 8},
{6, 0, 7, 5},
{8, 9, 12, 6},
{9, 11, 11, 9}
Rule for tie-breaks:
If Alice and Bob finish with the same record,
but Alice played Bob and won,
then Alice is ranked higher.
- Compute each player’s total wins and losses from all matches.
- Compare the two players’records: more wins → better.
- If tied: check their head-to-head match result; the winner ranks higher.
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