Leetcode Problem 574. Winning Candidate

574. Winning Candidate

Leetcode Solutions

Finding the Winning Candidate in an Election

  1. Count the number of votes for each candidate using the GROUP BY clause on the candidateId column in the Vote table.
  2. Sort the candidates by their vote count in descending order using the ORDER BY clause.
  3. Limit the result to the top candidate using the LIMIT clause.
  4. Join the subquery result with the Candidate table to get the name of the candidate with the most votes.
  5. Return the name of the winning candidate.

erDiagram
    Candidate {
        int id PK "Unique identifier for the candidate"
        varchar name "Name of the candidate"
    }
    Vote {
        int id PK "Auto-increment primary key"
        int candidateId FK "Foreign key to Candidate.id"
    }
    Candidate ||--o{ Vote : "has"

Aggregate and Join to Determine Election Winner

Ask Question

Programming Language
image/screenshot of info(optional)
Full Screen
Loading...

Suggested Answer

Answer
Full Screen
Copy Answer Code
Loading...