// competitive programmer · cs @ cmu
Dilshodbek Khujaev
Computer Science student at Carnegie Mellon University. IOI medalist, ICPC World Finals contestant, and problem setter & judge for international olympiads and contests.
ICPC WFfinalist · Baku 2025
IOIbronze · 2023
Education
Carnegie Mellon University
3rd year student
B.S. Computer Science · Minor in Mathematical Sciences
Experience
Course Assistant
Carnegie Mellon University
- 15-150 Principles of Functional Programming (Fall 2026): office hours, interviews, mentoring, grading, and technical guidance on functional programming in SML/NJ.
- 15-122 Principles of Imperative Computation (Spring 2026): office hours, mentoring, grading, and technical guidance on C programming and fundamental data structures.
Researcher at Summer Undergraduate Research Apprenticeship
Carnegie Mellon University
- Undergraduate research under Prof. Christos Kapoutsis comparing the recognition power and state complexity of finite automata, two-way finite automata, and 1-limited automata; synthesized research papers into a technical report with formal proofs and diagrams.
Scientific Committee Member
Olympiads in Informatics
- Host Scientific Committee Member for IOI 2026 – problem review, task development, solution validation, test data, and scientific preparation.
- Scientific Committee for APIO 2025 – prepared tasks for an international olympiad with 900+ participants from 40 countries.
Coach & Team Leader
Olympiads in Informatics · Tashkent, Uzbekistan
- Coach and Team Leader for Uzbekistan at EGOI 2024 – a student earned a bronze medal.
- Organized an educational camp for girls in IT with the Ministry of Digital Technologies.
- Mentored top-performing students in advanced algorithms and data structures, leading to multiple national achievements and an IOI qualification.
Awards & Achievements
WORLD FINALS
ICPC World Finals – Contestant
International Collegiate Programming Contest · Baku, 2025
BRONZE
IOI – International Olympiad in Informatics
Szeged, Hungary · 2023
BRONZE
ACPC – Arab & African Collegiate PC
Luxor, Egypt · 2024
WINNER
QCPC – Qatar Collegiate Programming Contest
Qatar · 2024
BRONZE
APIO – Asia-Pacific Informatics Olympiad
2023
SILVER
IZhO – International Zhautykov Olympiad
Almaty, Kazakhstan · 2022
WINNER
UzNOI – Uzbekistan National Olympiad
Tashkent · 2023
TOP 200
Meta Hacker Cup
Top 200 worldwide · 2025 · Round 3 · 2023
$8,500
IT-Park Cup
$5,000 U18 1st · $3,500 Team 2nd · 2020–2021
Projects
CP.Uz – Competitive Programming UzbekistanThe largest Uzbek-language competitive programming platform – 160+ algorithms and data structures with an archive of Olympiad problems, free for the Uzbek programming community.
Skyline – LifeLines Hackathon Finalist
AI-driven platform for sustainable post-disaster reconstruction – damage assessment, planning, material reuse, and transparent procurement workflows. Reached the hackathon finals.
Hue – 2D Game
Multi-level color-based physics game built with the CMU Graphics Library – custom collision detection, dynamic color-shifting puzzles, and an object-oriented architecture for easy level extension.
Selected Tasks
Selected problems I've authored for olympiads and contests. Click a rating to reveal its difficulty.
| Problem | Source | Difficulty | Solve |
|---|---|---|---|
| Three-People Contests[ENG] | CodeChef Starters 80 | solve ↗ | |
| Soccer[ENG][UZB] | National Selection to IOI 2024 | solve ↗ | |
| Permute-inator[ENG][UZB] | National Selection to IOI 2024 | solve ↗ | |
| TV Store[ENG][UZB] | National Selection to IOI 2025 | – | |
| MEX-xe-xe[ENG][UZB] | National Olympiad | solve ↗ | |
| Diameter[ENG][UZB] | National Selection to IOI 2025 | – | |
| Milky-Dark Chocolates[ENG] | CodeChef Starters 135 | solve ↗ | |
| Elections[ENG][UZB] | National Selection to IOI 2024 | – | |
| Gnomes[ENG][UZB] | National Selection to IOI 2024 | – | |
| Triangles[ENG][UZB] | National Selection to IOI 2024 | solve ↗ | |
| Meetings[ENG][UZB] | National Selection to IOI 2024 | solve ↗ | |
| Two Trees[ENG][UZB] | National Olympiad | solve ↗ | |
| Thanos sort[ENG][UZB] | National Olympiad | solve ↗ | |
| Cards[ENG][UZB] | National Olympiad | solve ↗ | |
| Extensions[ENG][UZB] | National Olympiad | solve ↗ | |
| Aliens[ENG][UZB] | National Olympiad | solve ↗ | |
| Asilbek and the Strange Intervals[ENG][UZB] | National Olympiad | solve ↗ | |
| Countries and Cities[ENG][UZB] | National Olympiad | solve ↗ | |
| Two Averages[ENG] | CodeChef Starters 89 | solve ↗ | |
| Candies[ENG] | CodeChef Starters 74 | solve ↗ | |
| Find an integer[ENG] | CodeChef Starters 73 | solve ↗ | |
| Lipland[ENG][UZB] | Robocontest Round 52 | solve ↗ | |
| Wonderful Sequences[ENG][UZB] | Robocontest Round 52 | solve ↗ | |
| Product[ENG][UZB] | Robocontest Round 52 | solve ↗ | |
| AND and AND[ENG][UZB] | Robocontest Round 12 | solve ↗ |
Skills & Interests
Languages
C++ · C · Python 3 · Java · SML/NJ
Competitive Programming
Codeforces max 2258 (top 1%) · 3000+ problems across Codeforces, CodeChef, AtCoder, LeetCode
Spoken
English (C1) · Russian (C1) · Uzbek (native)
Off the keyboard
Table tennis · squash · pool (billiards) · board games