K5kC | Code & More

Computer Science

Algorithms Programming Languages Database System Design

Blind 75 Difficulty: Easy Difficulty: Medium Difficulty: Hard

Android Data Science Computer Vision Simulations

UUID Generator Code Formatter

Find Original Array From Doubled Array

medium Solve on LeetCode

Problem
Examples
Solution
Method 1 – Sorting and Frequency Map
Intuition
Approach
Dry Run
Complexity
Code

Related Tags

greedy hash-table hashing leetcode

Privacy Disclaimer Report an Issue About

© 2026 K5kC | Code & More. All rights reserved.

चरैवेति चरैवेति | Keep moving on

Find Original Array From Doubled Array - Coding Problem | K5kC