Hello Codeforces!!
I, on behalf of Code Chronicles 1.0 Team, would like to invite you to take part in first ever contest hosted by collaboration of IIIT's (IIIT Pune & IIIT Bhopal), which will take place on Friday, June 19, 2020 at 20:00 ISTUTC+5.5. It is a 2.5 hr long contest. The contest will be open to everyone. We'd be offering you 8 problems with varying difficulties.
PRIZES : 250 Codechef Laddus each to Top 3 Global & Special Goodies for Top 3 IIIT ians.
Contest Link : Code Chronicles 1.0
I would really like to thank:
- silentone, nishit.sharma, ay21, avenger786, sumeet_0403 for setting & testing the problems with me.
- darshancool25 for Managing the contest , testing as well as proofreading and making suggestions for the problems.
- Codechef for their invaluable help and great platform.
- IIIT ians Network for making this contest possible.
I hope you will enjoy solving the problems. Please give your feedback on the problem set in the comments below, after the contest.
Upd 1: Editorials have been published for all problems except PWCP-COCR101, which will be published by tomorrow.
Upd 2: Editorial for PWCP has been published. You can check it out below.
Editorials :
Marking the borders-COCR104
Champak and Clocks-COCR105
Sharing is Caring-COCR106
Chef and a New Home-COCR103
Odd One Out-COCR107
Time Travel-COCR102
Maze Runner-COCR108
PWCP-COCR101
About the discrepency in Marking the borders question :
There was a discrepancy in one of the input files for the question, Marking the borders. There was a single line missing in the input file. Even then many participants got accepted, but some received WA or TLE. It was a bit surprising about how had it not come up during the testing phase, but after reviewing a couple of solutions which didn't get accepted because of this, we observed that codes using $$$scanf$$$ were getting affected. Unfortunately even though all testers had tested this question, everyone used $$$cin$$$ / $$$cout$$$. We still don't know for sure that if $$$scanf$$$ / $$$cin$$$ thing was the only difference that lead to such a result. Sorry for the inconvenience caused due to this.
We still hope that you enjoyed the problemset though, and thank you for participating!!
