This is a portal (gateway) for the International Olympiad in Informatics community. It contains lots of links to get you started.
Getting started:
Concepts and problems (~10 concepts, ~45 problems, ~40 have hints):
- Beginner (~10 concepts, ~20 problems, ~20 have hints)
- Intermediate (1 concept, ~15 problems, ~15 have hints)
- Advanced (1 concept, ~10 problems, ~10 have hints)
- List of contests (2016-2017 season)
GitHub repositories with solutions to IOI problems:
Country specific material:
- Indian Computing Olympiad, aka Indian National Olympiad in Informatics
- Bangladesh Informatics Olympiad
- British Informatics Olympiad
- Egyptian Olympiad in Informatics
- Canadian Computing Competition
Stories of people who have done this before (i.e. alumni):
- Malvika Raj Joshi (India: '14, '15, '16)
- Akshat Bubna (India: '13, '14)
- Pushkar Mishra (India: '14)
- Archit Karandikar (India: '10)
Other training sites:
- How to Win Coding Competitions: Secrets of Champions (EdX Course)
- USACO training material and monthly contests
- Australian Informatics Training Site
- Online Study Material by IARCS
- Past IOI problems and (most) solutions and (most) test data
- IOI Syllabus
- Platforms
- Other external resources
Last updated: 22nd November, 2016