Leetcode Problem 1050. Actors and Directors Who Cooperated At Least Three Times

1050. Actors and Directors Who Cooperated At Least Three Times

Leetcode Solutions

Group By and Count Approach

Algorithm

Group the data by actor_id and director_id.
Count the number of occurrences for each group.
Filter the groups to include only those with a count of at least three.
Select only the actor_id and director_id columns for the final output.


erDiagram
    ActorDirector {
        int actor_id
        int director_id
        int timestamp
        timestamp PK
    }

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