AlgoriGym-study/AlgoriGym
Mar 2025 – May 2025
3 Months active
Languages Used
Java
Technical Skills
AlgorithmBacktrackingBreadth-First Search (BFS)Chessboard ProblemsCombinatoricsCompetitive Programming
dbscjstk3
PROFILE
Dbscjstk3
Over a three-month period, dbscjstk3 developed a suite of 23 algorithmic features for the AlgoriGym repository, focusing on educational and competitive programming challenges. They engineered solutions using Java, applying techniques such as breadth-first search, depth-first search, and disjoint set union to problems involving graph traversal, grid simulations, and string manipulation. Their work emphasized clean code organization, reusable templates, and robust input handling, resulting in a maintainable library for interview and competition preparation. By integrating end-to-end I/O and test-ready structures, dbscjstk3 demonstrated depth in problem decomposition and performance awareness, while consistently delivering production-grade, well-documented Java implementations.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
25Total
Bugs
0
Commits
25
Features
23
Lines of code
1,831
Activity Months3
Your Network
1013 people
Work History
May 2025
2 Commits • 2 Features
May 1, 2025May 2025: Delivered two production-grade Java solutions in the AlgoriGym repository, focused on algorithmic problem solving and educational value. Key features: 1) Longest Common Prefix Word Sets — Java solution that reads N words and outputs the longest common prefix and related words; 2) Baby Shark Grid BFS Simulator — Java BFS-based implementation that locates the nearest edible fish, updates the shark's size, and tracks total time. Major bugs: no major defects reported; targeted robustness enhancements in input parsing and edge-case handling across both solutions. Overall impact: strengthens the library of reusable algorithm templates, accelerates interview prep, and demonstrates end-to-end solution development with proper state management and performance considerations. Technologies/skills demonstrated: Java, BFS, string processing, problem decomposition, performance awareness, and commit-level traceability.
2 Commits • 2 Features
May 1, 2025May 2025: Delivered two production-grade Java solutions in the AlgoriGym repository, focused on algorithmic problem solving and educational value. Key features: 1) Longest Common Prefix Word Sets — Java solution that reads N words and outputs the longest common prefix and related words; 2) Baby Shark Grid BFS Simulator — Java BFS-based implementation that locates the nearest edible fish, updates the shark's size, and tracks total time. Major bugs: no major defects reported; targeted robustness enhancements in input parsing and edge-case handling across both solutions. Overall impact: strengthens the library of reusable algorithm templates, accelerates interview prep, and demonstrates end-to-end solution development with proper state management and performance considerations. Technologies/skills demonstrated: Java, BFS, string processing, problem decomposition, performance awareness, and commit-level traceability.
May 2025
April 2025
13 Commits • 12 Features
Apr 1, 2025April 2025 monthly summary focusing on key achievements for AlgoriGym repository. Delivered substantial feature work across BFS/DFS/Dijkstra/DSU problem solvers, improved code organization, and simulation-based tasks, with an emphasis on business value and maintainability.
April 2025
13 Commits • 12 Features
Apr 1, 2025April 2025 monthly summary focusing on key achievements for AlgoriGym repository. Delivered substantial feature work across BFS/DFS/Dijkstra/DSU problem solvers, improved code organization, and simulation-based tasks, with an emphasis on business value and maintainability.
March 2025
10 Commits • 9 Features
Mar 1, 2025March 2025 highlights for AlgoriGym (month: 2025-03). The team delivered a focused set of feature implementations that broaden the library’s algorithmic coverage and improve educational value for learners preparing for competitions. Work spanned data structures, graph theory, and problem-solving patterns, with an emphasis on clean design, testability, and reusable components across the repository. Key features delivered (9 total) across AlgoriGym: - Backjoon Keylogger Text Editor Simulation (commit 96fdffe44eb56459a666c5d01eb690c31a1cd2b5) Implements a text editor simulation using a doubly linked list to support insertions, deletions, and cursor movements. - Symmetric Difference Problem Solver (Java) (commit 36455e118c31bcb8eba487618f04aee4bc8325d1) Reads two sets of integers and computes elements present in one set but not the other using HashSets. - Card Game Solver (규영 vs 인영) (commit aecaf4892c3610a3ee6902f34ba5a82cdd16c18e) Recursive simulation of all possible card assignments to determine win/loss counts for one player. - English Word Memorization - Word Filtering and Sorting (commit 6704e9daaafe6bab2f60a979d5ea1bbd82a48e4e) Reads N, M; stores words with length >= M; sorts by frequency, length, then alphabetically; prints results. - SWEA RGB Color Combination Counter (commit e2dfea5a5007474203a31b7b59eb23cc7c1c0624) Finds combinations of three RGB values summing to target S; outputs count and combinations or -1. - Chessboard Rook and Knight Move Explorer (commit 1f5d80345b6c53755adf0d9ab7dec31987eb97c9) Explores all possible move combinations within K steps to find unique final positions, respecting boundaries/occupancy. - Number of Groups in Changyong Village (DSU) (commits f312d48fd00455cf1f35a00a02a340ad748e37bb and e5d17768251bd82dfb9490248df5541b8f43670f) Counts distinct groups using DSU based on relationships (SWEA problem). - Graph Reachability - Node that can reach all others (commit 1691b2988c8f5120dfdd62976b62ebae24c9074a) Counts nodes that can reach all other nodes in a directed graph. - Organic Cabbage - Count connected components of 1's using BFS (commit c951b6c6c9ca46d98c7bee44df93f5953ca1787d) Uses BFS to count connected components in a 2D grid of cabbages. Major bugs fixed: No distinct major bug-fix commits were identified in this data set; the month’s work focused on feature development and problem-solving implementations. Any minor fixes are encapsulated within the feature commits above. Overall impact and accomplishments: Expanded the problem-solving library with a broad, practical set of algorithms and data-structure patterns. This enhances educational value, accelerates competition prep, and provides ready-to-review reference implementations for common algorithmic challenges. The work improves code readability and reuse across problems, enabling faster onboarding and more reliable demonstrations of core concepts. Technologies/skills demonstrated: Java and multi-language problem-solving approaches; data structures (doubly linked list, HashSet, DSU); traversal strategies (BFS/DFS); recursion; algorithmic design; clean commit messaging and documentation for reuse.
10 Commits • 9 Features
Mar 1, 2025March 2025 highlights for AlgoriGym (month: 2025-03). The team delivered a focused set of feature implementations that broaden the library’s algorithmic coverage and improve educational value for learners preparing for competitions. Work spanned data structures, graph theory, and problem-solving patterns, with an emphasis on clean design, testability, and reusable components across the repository. Key features delivered (9 total) across AlgoriGym: - Backjoon Keylogger Text Editor Simulation (commit 96fdffe44eb56459a666c5d01eb690c31a1cd2b5) Implements a text editor simulation using a doubly linked list to support insertions, deletions, and cursor movements. - Symmetric Difference Problem Solver (Java) (commit 36455e118c31bcb8eba487618f04aee4bc8325d1) Reads two sets of integers and computes elements present in one set but not the other using HashSets. - Card Game Solver (규영 vs 인영) (commit aecaf4892c3610a3ee6902f34ba5a82cdd16c18e) Recursive simulation of all possible card assignments to determine win/loss counts for one player. - English Word Memorization - Word Filtering and Sorting (commit 6704e9daaafe6bab2f60a979d5ea1bbd82a48e4e) Reads N, M; stores words with length >= M; sorts by frequency, length, then alphabetically; prints results. - SWEA RGB Color Combination Counter (commit e2dfea5a5007474203a31b7b59eb23cc7c1c0624) Finds combinations of three RGB values summing to target S; outputs count and combinations or -1. - Chessboard Rook and Knight Move Explorer (commit 1f5d80345b6c53755adf0d9ab7dec31987eb97c9) Explores all possible move combinations within K steps to find unique final positions, respecting boundaries/occupancy. - Number of Groups in Changyong Village (DSU) (commits f312d48fd00455cf1f35a00a02a340ad748e37bb and e5d17768251bd82dfb9490248df5541b8f43670f) Counts distinct groups using DSU based on relationships (SWEA problem). - Graph Reachability - Node that can reach all others (commit 1691b2988c8f5120dfdd62976b62ebae24c9074a) Counts nodes that can reach all other nodes in a directed graph. - Organic Cabbage - Count connected components of 1's using BFS (commit c951b6c6c9ca46d98c7bee44df93f5953ca1787d) Uses BFS to count connected components in a 2D grid of cabbages. Major bugs fixed: No distinct major bug-fix commits were identified in this data set; the month’s work focused on feature development and problem-solving implementations. Any minor fixes are encapsulated within the feature commits above. Overall impact and accomplishments: Expanded the problem-solving library with a broad, practical set of algorithms and data-structure patterns. This enhances educational value, accelerates competition prep, and provides ready-to-review reference implementations for common algorithmic challenges. The work improves code readability and reuse across problems, enabling faster onboarding and more reliable demonstrations of core concepts. Technologies/skills demonstrated: Java and multi-language problem-solving approaches; data structures (doubly linked list, HashSet, DSU); traversal strategies (BFS/DFS); recursion; algorithmic design; clean commit messaging and documentation for reuse.
March 2025
Activity
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Quality Metrics
Correctness96.4%
Maintainability83.2%
Architecture80.0%
Performance82.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
AlgorithmBacktrackingBreadth-First SearchBreadth-First Search (BFS)Chessboard ProblemsCode OrganizationCombinatoricsCompetitive ProgrammingCustom SortingData StructuresDepth First SearchDepth-First SearchDijkstra's AlgorithmDisjoint Set UnionGraph Theory
Repositories Contributed To
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