619. Biggest Single Number LeetCode Solution

In this guide, you will get 619. Biggest Single Number LeetCode Solution with the best time and space complexity. The solution to Biggest Single Number problem is provided in various programming languages like C++, Java, and Python. This will be helpful for you if you are preparing for placements, hackathons, interviews, or practice purposes. The solutions provided here are very easy to follow and include detailed explanations.

Table of Contents

  1. Problem Statement
  2. Complexity Analysis
  3. Biggest Single Number solution in C++
  4. Biggest Single Number solution in Java
  5. Biggest Single Number solution in Python
  6. Additional Resources
619. Biggest Single Number LeetCode Solution image

Problem Statement of Biggest Single Number

Table: MyNumbers

+————-+——+
| Column Name | Type |
+————-+——+
| num | int |
+————-+——+
This table may contain duplicates (In other words, there is no primary key for this table in SQL).
Each row of this table contains an integer.

A single number is a number that appeared only once in the MyNumbers table.
Find the largest single number. If there is no single number, report null.
The result format is in the following example.

Example not found

Constraints not found

Complexity Analysis

  • Time Complexity: Google AdSense
  • Space Complexity: Google Analytics

619. Biggest Single Number LeetCode Solution in C++

WITH
  UniqueNumbers AS (
    SELECT num
    FROM MyNumbers
    GROUP BY 1
    HAVING COUNT(num) = 1
  )
SELECT MAX(num) AS num
FROM UniqueNumbers;
/* code provided by PROGIEZ */

619. Biggest Single Number LeetCode Solution in Java

N/A
// code provided by PROGIEZ

619. Biggest Single Number LeetCode Solution in Python

N/A
# code by PROGIEZ

Additional Resources

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