2882. Drop Duplicate Rows LeetCode Solution
In this guide, you will get 2882. Drop Duplicate Rows LeetCode Solution with the best time and space complexity. The solution to Drop Duplicate Rows 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
- Problem Statement
- Complexity Analysis
- Drop Duplicate Rows solution in C++
- Drop Duplicate Rows solution in Java
- Drop Duplicate Rows solution in Python
- Additional Resources

Problem Statement of Drop Duplicate Rows
DataFrame customers
+————-+——–+
| Column Name | Type |
+————-+——–+
| customer_id | int |
| name | object |
| email | object |
+————-+——–+
There are some duplicate rows in the DataFrame based on the email column.
Write a solution to remove these duplicate rows and keep only the first occurrence.
The result format is in the following example.
Example not found
Constraints not found
Complexity Analysis
- Time Complexity: Google AdSense
- Space Complexity: Google Analytics
2882. Drop Duplicate Rows LeetCode Solution in C++
import pandas as pd
def dropDuplicateEmails(customers: pd.DataFrame) -> pd.DataFrame:
customers.drop_duplicates(subset='email', keep='first', inplace=True)
return customers
/* code provided by PROGIEZ */
2882. Drop Duplicate Rows LeetCode Solution in Java
N/A
// code provided by PROGIEZ
2882. Drop Duplicate Rows LeetCode Solution in Python
N/A
# code by PROGIEZ
Additional Resources
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