Level 1Exercise #25

Mini OA: leaderboard

Keep each user's highest submission, then rank by score descending and name ascending.

Sample Test Cases

Example #1

Input:leaderboard([("aya", 72), ("dev", 88), ("aya", 91)])

Output:[('aya',91),('dev',88)]

Reference Solution

Reveal Reference Solution

def leaderboard(rows: list[tuple[str, int]]) -> list[tuple[str, int]]:
    best = {}
    for name, score in rows:
        best[name] = max(score, best.get(name, score))
    return sorted(best.items(), key=lambda row: (-row[1], row[0]))

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Mini OA: leaderboard

Sample Test Cases

Further Reading

Reference Solution