Competitive Programmer, ICPC Regionalist — B.Sc. in Computer Science and Engineering, Jashore University of Science and Technology (2023 – 2027, expected).
Live CP Tracker · GitHub · LinkedIn · Codeforces · LeetCode · CodeChef · YouTube · ahsanulhaque5588@gmail.com
Undergraduate in Computer Science and Engineering at JUST with a focus on algorithms and competitive programming. Problem-solving record is tracked publicly and verifiably per judge in the CP Tracker. Teaching Assistant at CPS Academy (from February 2025) and problem setter and volunteer instructor at the JUST ACM Laboratory (from 2024).
Live dashboard aggregating solves across 14 judges. Open the image link to verify each handle.
All handles and ratings below link to the corresponding public profiles. Aggregate solve counts change over time; the figure quoted here is the snapshot recorded in cp-tracker/config.json on 18 September 2026. Current figures are on the live tracker.
Online judges (selected)
| Platform | Handle | Result |
|---|---|---|
| Codeforces | Ahsan_ | Max rating 1774 (Expert); current rating 1478 (Specialist) at time of API check; 3,183 solves tracked in snapshot |
| LeetCode | Ahsanul_haque_ | Max rating 2142 (Guardian); 365 solves tracked in snapshot |
| CodeChef | ahsanul_haque | Max rating 1900 (4 Stars); 265 solves tracked in snapshot |
| Aggregate | 14 judges — see tracker for full per-judge breakdown | 5,630 solves tracked in the 18 Sep 2026 snapshot (includes Virtual Judge cross-posts) |
Note on Codeforces: "Expert" refers to peak rank (max rating 1774, verified via Codeforces API). Current rank fluctuates; it was Specialist at the last check.
ICPC Asia Dhaka Regional
| Contest | Placement | Team |
|---|---|---|
| ICPC Asia Dhaka Regional 2025 | 34th | JUST_ORIONS |
| ICPC Asia Dhaka Regional 2024 | 63rd | JUST_TRIPLE_HELIX |
National on-site contests (IUPC / IDPC)
| Contest | Result | Team |
|---|---|---|
| JUST Intra-Department Programming Contest (IDPC) | Champion (1st) | — |
| NWU IUPC 2025 | 1st Runner-Up | JUST_ORIONS |
| KU KRIUPC 2024 | 7th | JUST_TRIPLE_HELIX |
| DRMC IUPC 2025 | 10th (main), 8th (preliminary) | JUST_ORIONS |
| NDUB IUPC 2026 | 11th | JUST_ORIONS |
| SUST IUPC 2026 | 13th | JUST_ORIONS |
| DUET IUPC 2026 | 15th | JUST_ORIONS |
| BUET IUPC 2026 | 16th | JUST_ORIONS |
| DUET IUPC 2025 | 19th | JUST_ORIONS |
| MU IUPC 2025 | 37th | — |
| KUET IUPC 2025 | 45th | — |
| CUET IUPC 2025 | 48th | — |
14+ national on-site finals attended in total.
Individual
JUST ACM Laboratory Farewell Contest — Champion, Senior Category (2026); 1st Runner-Up, Senior Category (2025); Champion, Junior Category (2024).
| Project | Description | Links |
|---|---|---|
| CP Tracker | Static portfolio that aggregates solves across 14 judges with daily automated sync. Snapshot logic and data source are in the repository. | Live · Repo |
| CP-Leveling | Full-stack competitive programming platform with XP progression, levels, and Codeforces API integration. Stack: Next.js, TypeScript, Prisma, Tailwind CSS. | Repo |
| Library Management System | Backend service for book catalog, members, and borrow/return workflows with JWT authentication and role-based access. Stack: Node.js, Express.js, SQLite, REST API. | Repo |
| Teacher Salary Manager | Cross-platform desktop payroll application. Stack: .NET 8.0, C#, Avalonia UI, MVVM. | Repo |
| CP Code Library | Collection of C++ templates, algorithms, and data structures for contests and practice. | Repo |
- Languages: C++, C, Java, Python, C#, SQL, JavaScript, TypeScript
- Algorithms: Graph theory, dynamic programming, data structures (segment tree, Fenwick tree, DSU, trie), number theory
- Web and databases: HTML5, CSS3, React/Next.js basics, Node.js/Express basics, REST APIs, MySQL, SQLite, Prisma ORM
- Tools: Git, GitHub, Linux (Ubuntu), VS Code, Postman
| Role | Organization | Period |
|---|---|---|
| Teaching Assistant and Mentor | CPS Academy, Remote — debugging student code, guiding problem-solving approaches, reviewing profiles and study roadmaps | Feb 2025 – Present |
| Problem Setter and Volunteer Instructor | JUST ACM Laboratory — setting contest problems with test data, coordinating logistics, instructing juniors in data structures and algorithms | 2024 – Present |
| Content Creator | YouTube (Ahsan_) — screencasts and commentary on Codeforces, CodeChef, AtCoder, and LeetCode contests | 2026 – Present |
Jashore University of Science and Technology — B.Sc. in Computer Science and Engineering, 2023 – 2027 (expected). CGPA 3.52/4.00 after 4 semesters. Coursework includes Data Structures and Algorithms, OOP, Database Systems, Operating Systems, and Computer Networks.
- Aggregate solve count (5,630) is the sum of per-judge
solvedvalues incp-tracker/config.jsonat commit-verified snapshot2026-09-18T14:25:24Z. It includes Virtual Judge solves that overlap with other judges. - Codeforces peak (1774 / Expert) and current rating at check time (1478 / Specialist) were returned by the official Codeforces
user.infoAPI for handleAhsan_. - Contest placements, education, and roles match the author's CVs (
CV/Competitive_Programming/Ahsanul_Haque_CP.tex,CV/Software_Engineer/Ahsanul_Haque_SWE.tex). - Every profile, repository, and demo link above is public and clickable for independent verification.