DIU ContestHub

The competitive programming platform of Daffodil International University — exam-style C practice plus inter-university contests with NSU, AIUB, and BRAC.

Features

• 140 exam-style C problems (practice without login)
• Register / login with university profile
• Email verification + forgot password (SMTP)
• Per-university practice & contest leaderboards
• Advanced admin command center with analytics, system health, and audit history
• Contest control center: scheduling, rules, problem ordering, go-live, and monitoring
• User access management and complete judge submission inspection
• Logged-in solves persist to Neon Postgres

Setup

1. Copy env template:

cp .env.example .env

2. Fill in:

• DATABASE_URL — Neon Postgres connection string
• AUTH_SECRET — openssl rand -base64 32
• APP_URL — e.g. http://localhost:3000
• SMTP vars for mail

3. Push schema + seed admin:

npm install
npm run db:push
npm run db:seed

Set ADMIN_EMAIL and a strong ADMIN_PASSWORD (minimum 12 characters) in .env before running the seed. No default administrator password is used.

4. Run:

npm run dev

Requires clang or gcc for the local C judge.

Scripts

Script	Purpose
npm run db:push	Sync Prisma schema to Neon
npm run db:seed	Create / update admin user
npm run db:studio	Browse data
npm run build	Generate Prisma client + Next build

Repo

https://github.com/0xdevabir/contest