DaleStudy/leetcode-study
Mar 2026 – Mar 2026
1 Month active
Languages Used
Python
Technical Skills
PythonPython programmingalgorithm designalgorithm developmentdata structuresproblem solving
gyeo-ri
PROFILE
Gyeo-ri
Gyeori contributed three core algorithm modules to the DaleStudy/leetcode-study repository, focusing on classic problems such as Two Sum, Longest Substring Without Repeating Characters, and Longest Palindromic Substring. Using Python, Gyeori implemented optimized solutions with comprehensive unit tests, emphasizing reliability and maintainability. The work included performance improvements like sliding-window and center-expansion techniques, as well as clear documentation of each approach. By applying algorithm design and data structure expertise, Gyeori ensured the codebase was both reusable and easy to extend. This foundation supports faster feature delivery and simplifies future maintenance, reflecting a thoughtful, test-driven engineering process throughout.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
13Total
Bugs
0
Commits
13
Features
3
Lines of code
252
Activity Months1
Your Network
289 peopleWork History
March 2026
13 Commits • 3 Features
Mar 1, 2026March 2026 — Repository: DaleStudy/leetcode-study. Delivered three core algorithm modules with comprehensive tests and performance optimizations, focusing on reliability and maintainability. Key features delivered: - Two Sum: final optimized implementation with full test coverage and a concise approach summary. (commits: 8c61285bc7117e173dfb4f8e85893e90a4699744; 93273c47870c5b5ed244836628638e96347e3341; f4f44c2d094faed113323aa00aee9f1d22f1c096; 938bce8dd87ea2290cf173d178ec7b49d510a2a5; e06a67520955a72858888b9f856a04cb38ac38df) - Longest Substring Without Repeating Characters: added length computation, tests, sliding-window optimization, and dictionary-based implementation with a summarized approach. (commits: d0c1a2a4e617b354e57eafc8ac6c811ee17c6df8; 77c571ac3310ef11d5c3596e0a09ff817f310fd5; 2fc1ddaafac68dbc48aedbb2e457235243fd339d; 5a99c686ba1b987c900ee8e530cceb6e83f86c6f; bc5da915d12bfee3b229314a5b31cb4e423cdfc8; f383c8cb8dc2cffd8efcf4a0ca91f3f98b28013a) - Longest Palindromic Substring: brute force and center-expansion algorithms with tests. (commits: 33d0d797012cc18cccf2c2c3562f130122d38896; 336ebfcd7fd9ceed3e69a0318c44df0e7be3ac52) Major bugs fixed: - Correctness and performance refinements in Longest Substring module, including max-based optimization and center-expansion logic improvements to handle edge cases reliably. Overall impact and accomplishments: - Achieved reliable, reusable algorithm implementations with broad test coverage, improved runtime characteristics (notably sliding-window approach for the substring problem), and documented reasoning across commits. This positions the codebase for faster feature delivery and easier maintenance. Technologies/skills demonstrated: - Python, algorithm design (Two Sum, sliding window, hashmap/dict usage), test-driven development, performance tuning, and clear approach documentation.
13 Commits • 3 Features
Mar 1, 2026March 2026 — Repository: DaleStudy/leetcode-study. Delivered three core algorithm modules with comprehensive tests and performance optimizations, focusing on reliability and maintainability. Key features delivered: - Two Sum: final optimized implementation with full test coverage and a concise approach summary. (commits: 8c61285bc7117e173dfb4f8e85893e90a4699744; 93273c47870c5b5ed244836628638e96347e3341; f4f44c2d094faed113323aa00aee9f1d22f1c096; 938bce8dd87ea2290cf173d178ec7b49d510a2a5; e06a67520955a72858888b9f856a04cb38ac38df) - Longest Substring Without Repeating Characters: added length computation, tests, sliding-window optimization, and dictionary-based implementation with a summarized approach. (commits: d0c1a2a4e617b354e57eafc8ac6c811ee17c6df8; 77c571ac3310ef11d5c3596e0a09ff817f310fd5; 2fc1ddaafac68dbc48aedbb2e457235243fd339d; 5a99c686ba1b987c900ee8e530cceb6e83f86c6f; bc5da915d12bfee3b229314a5b31cb4e423cdfc8; f383c8cb8dc2cffd8efcf4a0ca91f3f98b28013a) - Longest Palindromic Substring: brute force and center-expansion algorithms with tests. (commits: 33d0d797012cc18cccf2c2c3562f130122d38896; 336ebfcd7fd9ceed3e69a0318c44df0e7be3ac52) Major bugs fixed: - Correctness and performance refinements in Longest Substring module, including max-based optimization and center-expansion logic improvements to handle edge cases reliably. Overall impact and accomplishments: - Achieved reliable, reusable algorithm implementations with broad test coverage, improved runtime characteristics (notably sliding-window approach for the substring problem), and documented reasoning across commits. This positions the codebase for faster feature delivery and easier maintenance. Technologies/skills demonstrated: - Python, algorithm design (Two Sum, sliding window, hashmap/dict usage), test-driven development, performance tuning, and clear approach documentation.
March 2026
Activity
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Quality Metrics
Correctness95.4%
Maintainability86.2%
Architecture84.6%
Performance86.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
Python
Technical Skills
PythonPython programmingalgorithm designalgorithm developmentdata structuresproblem solvingunit testing
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