Hello Codeforces!

With the ICPC preliminary rounds fast approaching, it’s the perfect time to sharpen your skills and finalize your team strategy. We are excited to announce that the GoForGold ICPC Camp, conducted by Newton School Technology x AskSenior, is hosting a series of 3 Mock ICPC Prelims!

The problem sets for these contests have been meticulously prepared by ICPC World Finalists Deepak Gaur and Jaskaran Singh. Having been through the World Finals, we know firsthand how valuable these last-minute, full-length mocks are for building stamina and coordinating with your teammates.

These contests are completely free and open to everyone who wants extra practice right before the main event.

Contest Schedule

• Contest 1: September 28 (Monday)
• Contest 2: September 30 (Wednesday)
• Contest 3: October 2 (Friday)

Instructions to Join

To take part in the mocks, please complete the following steps:

1. Join the Codeforces Group: Click here to join.

2. Fill the Registration Form: Register your team here (Ensure only one participant per team registers).

3. Join our Discord Server: Join Discord for official announcements, problem discussions, and post-contest analysis.

4. Join the WhatsApp Group: Join WhatsApp for quick updates and community chat.

We look forward to seeing you on the leaderboard. Good luck and have fun!

Hello Codeforces community!

We are excited to invite you to an exclusive masterclass as part of the GoForGold ICPC Camp.

Join us for an exclusive Masterclass by the legendary grandmaster, Kamil Debowski (Errichto)!

Errichto will walk through advanced problem-solving strategies, discuss fascinating contest problems (including problems authored by him), and share actionable advice on how to level up your competitive programming and ICPC preparation.

Session Details:

• Speaker: Errichto
• Date: Saturday, 29 August
• Time: 12:30 PM IST
• Cost: Completely free and open to everyone

Live Stream:

Watch the session live on YouTube: Live Stream Link

Camp Details & Registration:

Check out our previous blog post for complete details about the GoForGold ICPC Camp and registration instructions: GoForGold Camp Details

You can also check out our updates on LinkedIn: LinkedIn Post

Feel free to drop any questions in the comments below, and see you all in the stream!

Exciting Announcement!

Introducing CP POTD by Ask Senior!

Ashish Kumar and I are thrilled to announce the launch of CP POTD(Competitive Programming Problem of the Day) by Ask Senior!

What's in store for you?

Daily Challenges: We bring you a new and challenging problem every day to sharpen your competitive programming skills.

Video Solutions: Tune in at 11 PM every day for video solutions to the POTD, guiding you through the thought process and techniques.

Concept Refresher: Facing challenges with the concepts? No worries! Our CP sheet includes topic videos and a plethora of problems to help you brush up on your skills.

Interactive Learning: Have questions or doubts? We've got you covered! I'll be sharing insights and answering your queries on the POTD daily at 11 PM.

Ready to elevate your CP game? Follow Ask Senior and me for your daily dose of competitive programming challenges and insights.

Let's embark on this coding journey together!

UPD: Code links are working now

1731A - Joey Takes Money

Idea: s_jaskaran_s

1731B - Kill Demodogs

Idea: s_jaskaran_s

1731C - Even Subarrays

Idea: ka_tri

1731D - Valiant's New Map

Idea: s_jaskaran_s

1731E - Graph Cost

Idea: s_jaskaran_s

1731F - Function Sum

Idea: nishkarsh and s_jaskaran_s

Hello, Codeforces!

The Programming Club, IIT Indore is proud to present the 8th edition of its flagship event, Divide By Zero — Codeforces Round #841 (Div. 2) and Divide By Zero 2022, under the annual code-fest, Euristica'23.

You can check some of the previous editions of Divide By Zero prepared by us : Codeforces Round #399 (Div. 1 + Div. 2), Codeforces Round #474 (Div. 1 + Div. 2), Codeforces Round #714 (Div. 2).

The contest will take place on Dec/27/2022 17:35 (Moscow time). This round will be rated for all participants with a rating lower than 2100.

People who had a great contribution to making this round possible:

• Problems were authored by nishkarsh, ka_tri and me.

• sksusha8853, Phantom_Deluxe, Anurag203, nishu2002, hk2102, krishanu21saini and somyamehta_24 made a great contribution to the problemset.

• Thanks to ajit, awoo, NemanjaSo2005, Nahian9696, Qg3, CARBINE, TomiokapEace, maomao90, MasterRayuga and prvocislo for testing the problems.

• Thanks to adedalic for wonderful coordination and for giving great advice throughout the round.

• MikeMirzayanov for Codeforces and Polygon platforms.

You will be given 6 problems, and 2 hours to solve them. The points distribution will be updated later.

UPD1: Score distribution is 500 — 1000 — 1500 — 1500 — 2000 — 2750

UPD2: The editorial is up.

PRIZES: Twenty T-shirt will be given to:

• Top 10 Indian Participants

• Random 10 from top 100 (rank 11-100) Indian participants

Hope you guys enjoy the contest! See you on the leaderboard :P

About Euristica

Euristica is the annual flagship programming event of The Programming Club of IIT Indore. As part of Euristica, we conduct a variety of online competitions spanning different programming domains. These events are open and free for all, and there will be exciting prizes and goodies for the winners.

Head over to our website to find out more about the competitions.

UPD3: Here is the list of winners who won T-shirts. We will contact you guys soon. Congrats!

Top 10 Indian Participants

• socho
• kshitij_sodani
• rivalq
• aryanc403
• satyam343
• meme
• shadow9236
• JrNTR
• iLLusio
• ShlokG

Random 10 from top 100 (rank 11-100) Indian participants

• yash_daga
• vineeth_kada
• GoatTamer
• Yomapeed
• GooglerPraveen
• orientor
• milind0110
• Chimpanzee
• mayankfrost
• hsrb

We have uploaded the link to the code for generating random numbers and ranklist here.