Greetings from the CodeChef community!

I hope the January CookOff was a pleasant experience for all participants. To cap off this month with some more coding problems, I invite you to be a part of the year’s first lunchtime, the January Lunchtime 2018. Joining me in the problem setting panel are:

• Problem Tester: mgch (Misha Chorniy)

• Problem Setter: kefaa (Kirill Gulin)

• Problem Editorialist: taran_1407(Taranpreet Singh)

• Statement Verifier: Xellos (Jakub Safin)

• Russian Translator: CherryTree (Sergey Kulik)

• Mandarin Translator: huzecong (Hu Zecong)

• Vietnamese Translator: VNOI Team

I hope you will have a great time solving them. Your feedback on the problem set is most welcome in the comments below after the contest.

Contest Details:

Time: 27th January 2018 (1930 hrs — 2230 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Contest link: https://www.codechef.com/LTIME56

Registration: You just need to have a CodeChef handle to participate. For all those, who are interested and do not have a CodeChef handle, are requested to register in order to participate.

Prizes:

• Top 10 performers in Global and Indian category will get CodeChef laddus, with which the winners can claim cool CodeChef goodies. Know more here: https://www.codechef.com/laddu. (For those who have not yet received their previous winning, please send an email to winners@codechef.com)

Good Luck! Hope to see you at the contest!