DaleStudy/leetcode-study
Nov 2025 – Dec 2025
2 Months active
Languages Used
Java
Technical Skills
Code FormattingJavaJava programmingalgorithm developmentdata structuresdynamic programming
hjeom.dev
PROFILE
Hjeom.dev
Over a two-month period, this developer contributed to the DaleStudy/leetcode-study repository by building core algorithmic features and utilities in Java, focusing on efficient problem solving and code quality. They implemented solutions for classic problems such as Two Sum, Top-K Frequent Elements, and Climbing Stairs, leveraging data structures, recursion, and dynamic programming for optimal performance. Their work included a reusable Algorithmic Utilities Library, adding functions for merging sorted lists, grouping anagrams, and validating parentheses. Attention to code formatting and standards, including newline consistency, improved maintainability and CI readiness, reflecting a thoughtful approach to both engineering depth and workflow reliability.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
13Total
Bugs
1
Commits
13
Features
6
Lines of code
251
Activity Months2
Your Network
251 people
Work History
December 2025
6 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary for DaleStudy/leetcode-study: Delivered a reusable Algorithmic Utilities Library and a coding standards fix, strengthening the repository's problem-solving toolkit, code consistency, and CI readiness. Key outcomes include five core algorithms added to the library, improved reliability, and a clean, standards-compliant codebase that accelerates future feature work.
6 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary for DaleStudy/leetcode-study: Delivered a reusable Algorithmic Utilities Library and a coding standards fix, strengthening the repository's problem-solving toolkit, code consistency, and CI readiness. Key outcomes include five core algorithms added to the library, improved reliability, and a clean, standards-compliant codebase that accelerates future feature work.
December 2025
November 2025
7 Commits • 5 Features
Nov 1, 2025November 2025 performance summary for DaleStudy/leetcode-study: Delivered five core features focusing on efficient problem solving, data validation, and code quality. The work improves practical LeetCode workflows with faster lookups, robust data checks, and a cleaner codebase. Major bug fixes included a Java newline termination improvement to stabilize builds and diffs.
November 2025
7 Commits • 5 Features
Nov 1, 2025November 2025 performance summary for DaleStudy/leetcode-study: Delivered five core features focusing on efficient problem solving, data validation, and code quality. The work improves practical LeetCode workflows with faster lookups, robust data checks, and a cleaner codebase. Major bug fixes included a Java newline termination improvement to stabilize builds and diffs.
Activity
Loading activity data...
Quality Metrics
Correctness98.4%
Maintainability89.4%
Architecture89.4%
Performance87.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Code FormattingJavaJava programmingalgorithm designalgorithm developmentdata structuresdynamic programmingproblem solvingrecursion
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline