Hello CodeForces Community,

I would like invite you all to take part in the CodeChef July Lunchtime. It is an IOI Style contest where participants will be given 4 problems to solve in 3 hrs. With the IOI just two weeks away, LunchTime forms a great way to practice and test your preparation.

The problems were set by me animeshf (Animesh Fatehpuria) and PraveenDhinwa (Praveen Dhinwa) and were tested by me and pushkarmishra (Pushkar Mishra). I hope you will enjoy solving them. We have problems of various difficulty levels ensuring that everyone can find something interesting to solve! Please give me your feedback on the problem set in the comments below after the contest.
You shall find the rest of the details about the contest below.

Time: 30th July 2016 (1930 hrs) to 30th July 2016 (2230 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: Contest Page

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

• Problem Setter: PraveenDhinwa (Praveen Dhinwa), animeshf (Animesh Fatehpuria)
• Problem Tester: animeshf (Animesh Fatehpuria) pushkarmishra (Pushkar Mishra)
• Editorialist: animeshf (Animesh Fatehpuria) pushkarmishra (Pushkar Mishra)
• Russian Translator: Antoniuk (Vasya Antoniuk)
• Mandarin Translator: huzecong (Hu Zecong)
• Vietnamese Translator: VNOI Team
• Contest Admin: PraveenDhinwa (Praveen Dhinwa), pushkarmishra (Pushkar Mishra)

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