Technical Team

A contest operations team with long-running ICPC regional experience across platforms, workstations, onsite tools, and live operations.

About the team

Hydro Contest Technical Team began at the 2022 ICPC Asia-East Continent Final as the technical support team for that event. Its members brought experience from technical teams across ICPC Asia and continued to work on regionals, invitationals, provincial contests, and focused challenges.

The team understands the complete technical path from preparation through post-contest delivery. Its work includes judging platforms, workstation images, networks and permissions, scoreboard and balloon systems, broadcasts and venue displays, award ceremonies, volunteer coordination, result exports, and code-similarity checks.

Continuous onsite experience across regional contests helps the team identify commonly missed preparation work and assign incidents clearly during the contest. For first-time hosts, the team also helps establish equipment, staffing, and onsite operating procedures.

Technical services

Onsite contests

From workstation preparation and platform verification through live monitoring, incident response, and post-contest delivery.

  • Workstations and networks
  • Hydro / DOMjudge
  • Scoreboards, balloons, and awards
  • Broadcasts and venue displays
  • Volunteer training
  • Results and code-similarity checks

Online contests

Dedicated environments for online events and focused challenges, configured for problem types, scale, and anti-cheating requirements.

  • Online judging platforms
  • Capacity planning
  • Windows anti-cheating and proctoring
  • Special problem types
  • Contest administration
  • Result preparation and publication

Tools we build and maintain

The team maintains a toolchain around recurring regional-contest needs to reduce manual work and improve control over critical operations.

Hydro OJ

Ongoing development and maintenance of the judging platform for problems, judging, scoreboards, contest administration, and onsite operations.

Contest workstations

Contest OS, deployment, permission restrictions, and remote operations.

Onsite operations

Balloon printing, scoreboards, venue displays, broadcasts, and award-ceremony tools.

Contest data

Result exports, scoreboard archives, submission preparation, and code-similarity checks.

Team members

The team covers judging platforms, contest workstations, venue networks, onsite tools, and live operations, assembling a complete technical crew for each contest scale.

Contests supported

Over the past three years, the team has supported most ICPC regional sites in Asia East, along with finals, invitationals, provincial contests, and industry challenges.

Nanjing (2023, 2024, 2025)
Hefei (2023)
Shenyang (2023, 2024, 2025)
Jinan (2023)
Hangzhou (2023, 2024)
Shanghai (2024, 2025)
Kunming (2024 Invitational, 2024 Regional)
Hong Kong (2024, 2025)
Wuhan (2025)
EC Finals (2022, 2023, 2025)
View contest work

Need contest technical support

For first-time hosts and established events alike, share the contest scale, venue, and platform early enough for equipment, network, and staffing plans.

Contact the team