Note: There is no official syllabus for ZCO vs INOI vs IOITC. Syllabus for ZCO, INOI has been determined by looking at all the concepts covered in all ZCO, INOI problems since last 5 years. All the topics covered by ZCO, INOI are also in the Basic topics section of ICO online study material. Syllabus for IOITC is same as syllabus for IOI, since the training camp is training you for IOI. There is a higher focus on the topics mentioned in the Advanced topics specifically covered in ICO online study material. :)

The below tutorials are the best tutorials on the internet for each topic. If you find better tutorials for a particular topic, please share them with everyone.

Zonal Computing Olympiad (ZCO):

• Episode 1: Why do we need (efficient) algorithms?
• Episode 2: Our first algorithm: Quick-sort
• Episode 3: Merge-sort
• Episode 4: Binary search

I am in class 12 now and this year i will be appearing for KVPY as well as IOI .As the date for the KVPY has been released (4th November) and for ZCO the date has not been declared yet.So,what to do if the dates get clashed (because the registration of ZCO will start in the month of September and the last date of registration for KVPY is in August)Is there any way to postpone the dates of ZCO and ZIO or does anyone have any idea of the dates of ZCO and ZIO so that I can appear for both of the examinations.

Here's the thing, I messed up my ZCO and is getting 0.

ZIO is my last shot as I am in 12th, and when I sat down to solve ZIO qpaper 2013, I was stumped by the very first question.

So, how do you come to an algorithm for problems in ZIO and what all can be done in 5 days.

HI friends!!.. Codechef is arranging the coding workshop for beginners and also for those who make grasp on DSA..if anyone planning to join please reply!!! I mentioned link below:-!O:-)👇

I have cleared ZCO. What next?? How to prepare for INOI??

Some details: I don't know about algorithms. I did ZCO with some logic only. So what should I read?

Hey there! I’m Sumeet Varma. I am extremely interested in Algorithms and Data Structures and so I do a lot of competitive programming. I am also a big fan of Counter-Strike, Politics and reading random answers on Quora.

My team (FruitSalad) came 1st in ACM ICPC ‘17 Kharagpur Regionals, 2nd in Kolkata Regionals and 7th in India Finals and we have qualified for World Finals. Also, I have been Red on Codeforces and the highest rated Indian programmer on Codeforces, Hackerrank and Topcoder in the past.

Currently, I am doing an internship at Directi (Bangalore) as a part of my project for final semester at DA-IICT, Gandhinagar.

Ask me anything!

Moderator note: We are very excited to host Sumeet for a Q&A session! He has a max rating of 2515 on Codeforces and 2173 on TopCoder, and you can see the graph going up consistently over the last 2.5 years. It's time to find out more about the person behind ...