Top K Frequently Bought Products

📝 Description

Given a list of purchased products, return the top K most frequently bought items.

Input Format

["Shirt", "Jeans", "Shirt", "Shoes"], K=2

Output Format

["Shirt", "Jeans"]

Constraints

Number of products ≤ 10^5, 1 ≤ K ≤ 100

🔍 Sample Input

["Shirt", "Jeans", "Shirt", "Shoes"], 2
            

✅ Sample Output

["Shirt", "Jeans"]