aka Indian National Olympiad in Informatics

Zonal Computing Olympiad (ZCO) problems:

• Matched Brackets (ZCO 2012: India)
• Wormholes (ZCO 2012: India)
• Matched Brackets 2 (ZCO 2012: India)
• Round Table (ZCO 2012: India)
• Tournament (ZCO 2013: India)
• Little Red Riding Hood (ZCO 2013: India)
• Chewing (ZCO 2013: India)
• Save Spaceman Spiff (ZCO 2013: India)
• Video Game (ZCO 2014: India)
• SUPW (ZCO 2014: India)
• Smart Phone (ZCO 2014: India)
• IPL (ZCO 2014: India)
• Break Up (ZCO 2015: India)
• Variation (ZCO 2015: India)
• Covering (ZCO 2015: India)
• Rectangle (ZCO 2015: India)
• Bamboo Art (ZCO 2016: India)
• Bookshelves (ZCO 2016: India)

Indian National Olympiad in Informatics (INOI) problems:

• Triathlon (INOI 2012: India)
• Table Sum (INOI 2012: India)
• Calvins Game (INOI 2013: India)
• Sequence Land (INOI 2013: India)
• Highway Bypass (INOI 2014: India)
• Free ticket (INOI 2014: India)
• Special Sums (INOI 2015: India)
• Periodic Strings (INOI 2015: India)
• Wealth Disparity (INOI 2016: India)
• Brackets (INOI 2016: India)

International Olympiad in Informatics Training Camp (IOITC) problems:

• Catering Contracts: Version 2π (IOI Training Camp 2008: India)
• Zorgian Amusement Park (IOI Training Camp 2010: India)
• Binary Codes (IOI Training Camp India: 2010)
• Register report (IOI Training Camp 2012: India)

How you can contribute FAQ:

1. Add hint by hint solutions to problems (sample).
2. Invite more people to the community
3. Add links to where one can submit each IOITC problem solutions to practice (ICO Online Judge, etc).
4. Post more IOITC problems