DaleStudy/leetcode-study
Dec 2024 – Jan 2025
2 Months active
Languages Used
Kotlin
Technical Skills
AlgorithmArray ManipulationBacktrackingDepth-First SearchCode FormattingData Structures
Real-Reason
PROFILE
Real-reason
Eujjin contributed to the DaleStudy/leetcode-study repository by developing and refining a suite of Kotlin-based algorithmic solutions focused on core array and data structure problems. Over two months, Eujjin implemented features such as Two Sum, Product of Array Except Self, and Combination Sum using array manipulation and depth-first search techniques, providing runnable references for learners. The work included detailed time and space complexity documentation, code formatting improvements, and multiple strategies for problems like Implement Trie and Reverse Linked List. Eujjin’s contributions enhanced code maintainability and onboarding, demonstrating proficiency in Kotlin, data structures, and algorithm design within a collaborative learning environment.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
9Total
Bugs
1
Commits
9
Features
4
Lines of code
434
Activity Months2
Your Network
251 people
Work History
January 2025
6 Commits • 3 Features
Jan 1, 2025January 2025 (2025-01) – DaleStudy/leetcode-study: Delivered a cohesive set of Kotlin-based LeetCode solutions, implemented robust code quality improvements, and documented performance characteristics to strengthen business value and team learning.
6 Commits • 3 Features
Jan 1, 2025January 2025 (2025-01) – DaleStudy/leetcode-study: Delivered a cohesive set of Kotlin-based LeetCode solutions, implemented robust code quality improvements, and documented performance characteristics to strengthen business value and team learning.
January 2025
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024: Delivered three core array problem solutions in the DaleStudy/leetcode-study repository, adding Kotlin implementations for Two Sum and Product of Array Except Self, and a DFS-based Solution for Combination Sum. These runnable references enhance practice material and interview prep for learners. No major bugs fixed this month. The work demonstrates strong Kotlin and algorithm design skills, clean commit messaging, and contributions that improve onboarding and value for learners.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024: Delivered three core array problem solutions in the DaleStudy/leetcode-study repository, adding Kotlin implementations for Two Sum and Product of Array Except Self, and a DFS-based Solution for Combination Sum. These runnable references enhance practice material and interview prep for learners. No major bugs fixed this month. The work demonstrates strong Kotlin and algorithm design skills, clean commit messaging, and contributions that improve onboarding and value for learners.
Activity
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Quality Metrics
Correctness96.8%
Maintainability91.2%
Architecture89.0%
Performance86.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
Kotlin
Technical Skills
AlgorithmArray ManipulationBacktrackingCode FormattingData StructuresDepth First SearchDepth-First SearchHash MapsKotlinLinked Lists
Repositories Contributed To
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