There are solutions for the following codechef contests:
- May Challenge 2019 DIV 1 (contest site)
- September Challenge 2018 DIV 1 (contest site)
- August Challenge 2018 DIV 1 (contest site)
- July Challenge 2018 DIV 1 (contest site)
- March Challenge 2018 DIV 1 (contest site)
- February Challenge 2018 (contest site)
- January Challenge 2018 (contest site)
- November Challenge 2017 (contest site)
- October Challenge 2017 (contest site)
- September Challenge 2017 (contest site)
- August Long Challeng 2017 (contest site)
- April 2009 (Contest II) (contest site)
- March 2009 (Contest I) (contest site)