Problem-solve-study/code-store
Dec 2025 – Jan 2026
2 Months active
Languages Used
C++Java
Technical Skills
C++C++ programmingJavaJava programmingalgorithm designalgorithm development
Tunatos
PROFILE
Tunatos
Over a two-month period, Pr0104 developed a suite of algorithmic solutions in the Problem-solve-study/code-store repository, focusing on business-relevant challenges such as pathfinding, optimization, and pattern analysis. Using C++ and Java, Pr0104 implemented BFS and Dijkstra-based algorithms for shortest-path and life-loss minimization across grid and graph problems, as well as dynamic programming for cost optimization scenarios. The work included matrix pattern counting, string manipulation, and game theory applications, all supported by robust test scaffolding and documentation. Pr0104’s contributions demonstrated depth in algorithm design and data structures, resulting in maintainable, deployment-ready modules without introducing high-priority bugs.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
22Total
Bugs
0
Commits
22
Features
15
Lines of code
1,849
Activity Months2
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1080 peopleSame Organization
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Work History
January 2026
4 Commits • 3 Features
Jan 1, 2026January 2026 focuses on delivering three core algorithm and optimization features in Problem-solve-study/code-store, with cross-variant applicability and strong business value in problem-solving efficiency and deployment readiness. No high-priority bugs were introduced this month; existing issues were stabilized and documented for next-cycle work.
4 Commits • 3 Features
Jan 1, 2026January 2026 focuses on delivering three core algorithm and optimization features in Problem-solve-study/code-store, with cross-variant applicability and strong business value in problem-solving efficiency and deployment readiness. No high-priority bugs were introduced this month; existing issues were stabilized and documented for next-cycle work.
January 2026
December 2025
18 Commits • 12 Features
Dec 1, 2025December 2025 (Problem-solve-study/code-store) delivered a focused set of business-relevant algorithmic capabilities that boost problem-solving efficiency, routing performance, and cost optimization. Key achievements include: - BOJ 1222 N/E variants: added solutions for multiple subproblems from BOJ 2014 contest 1222 (N and E variants). Commits: 0c63c82859c91ef1cdcebe6656beb0092300d670; ce4b441f2c77b88a544f599954782ab933d02cfc; e6f47e1c9d93d6c5b3426727bf917a48ce02a642. - BFS-based pathfinding: implemented standard shortest path with one-wall destruction, multisource BFS, and constrained BFS for linear-building layouts. Commits: 2245fde1a2efe26ea4bd37c7b70dfd5d2502c209; eb830e8dcefb108fc8ac04c6f27bb12d34afec95; 76c2ecd35433abca31b780338f95ba1243d14a2b. - Graph distance computations (Dijkstra): robust shortest-path and distance calculation utilities across BOJ problems. Commits: 6e47a3bdf4c39f6186943ba375d28174f9284ddc; e294b976f80aca7c6e50b36230baa597ae538192. - Dynamic programming: min-cost to purchase exactly N cards with given packs. Commit: 0ae9c730c26cc2071d2a10df03568a845f5b0c5a. - Pattern/string/matrix tooling: matrix pattern counting and longest non-palindromic substring enhancements. Commits: d2c207c27c8e7ea1d5e2c677a5503159b0e906e5; 6acca22d62f58e5a9d1869b0c8d236ca762f385c. This month also reinforced code quality with test scaffolding and documentation across these modules, accelerating onboarding and maintenance.
December 2025
18 Commits • 12 Features
Dec 1, 2025December 2025 (Problem-solve-study/code-store) delivered a focused set of business-relevant algorithmic capabilities that boost problem-solving efficiency, routing performance, and cost optimization. Key achievements include: - BOJ 1222 N/E variants: added solutions for multiple subproblems from BOJ 2014 contest 1222 (N and E variants). Commits: 0c63c82859c91ef1cdcebe6656beb0092300d670; ce4b441f2c77b88a544f599954782ab933d02cfc; e6f47e1c9d93d6c5b3426727bf917a48ce02a642. - BFS-based pathfinding: implemented standard shortest path with one-wall destruction, multisource BFS, and constrained BFS for linear-building layouts. Commits: 2245fde1a2efe26ea4bd37c7b70dfd5d2502c209; eb830e8dcefb108fc8ac04c6f27bb12d34afec95; 76c2ecd35433abca31b780338f95ba1243d14a2b. - Graph distance computations (Dijkstra): robust shortest-path and distance calculation utilities across BOJ problems. Commits: 6e47a3bdf4c39f6186943ba375d28174f9284ddc; e294b976f80aca7c6e50b36230baa597ae538192. - Dynamic programming: min-cost to purchase exactly N cards with given packs. Commit: 0ae9c730c26cc2071d2a10df03568a845f5b0c5a. - Pattern/string/matrix tooling: matrix pattern counting and longest non-palindromic substring enhancements. Commits: d2c207c27c8e7ea1d5e2c677a5503159b0e906e5; 6acca22d62f58e5a9d1869b0c8d236ca762f385c. This month also reinforced code quality with test scaffolding and documentation across these modules, accelerating onboarding and maintenance.
Activity
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Quality Metrics
Correctness98.2%
Maintainability81.8%
Architecture81.8%
Performance82.8%
AI Usage21.0%
Skills & Technologies
Programming Languages
C++Java
Technical Skills
C++C++ programmingJavaJava programmingalgorithm designalgorithm developmentcompetitive programmingdata structuresdynamic programminggame theorygraph theorypathfindingproblem solving
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