CodeChef Logo CodeChef Logo
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Upgrade to Pro
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Igor Demidov
user profile

Igor Demidov

  • 4★caustique
  •   Russia
  • Professional
  • Google
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 59
1954 (-14)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 160 (Rated)(2024-11-13 22:30:02)
Global Rank:   403
Cheated in:   

Ratings System Update

(2024-11-13 22:30:02)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1754 (+15)RatingProvisional
Rating i Provisional Rating, click to know more
May Lunchtime 2021 Division 3(2022-12-20 00:00:00)
Global Rank:   79
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (59)

The November CookOff

Cutting Recipes

The December 2010 Cook-Off

The Morning Commute, Pairing Chefs

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String

November Cook-Off

Moving Coins, Subanagrams

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

August Challenge 2012

Delivery Boy

October Challenge 2012

Event Organizer

September Cook-Off 2012

Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam

December Challenge 2012

Sereja and Data Structures , Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery

December Cook-Off 2012

Packaging Cupcakes, Reversing directions

February 2013 Challenge

Buy1-Get1, Climbing Stairs

February Cook-Off 2013

Lack of Logic, Row and Column Operations, Hotel Balifornia 2

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes

March Cook-off 2013

The Ball And Cups, Palindrome, Level Of Difference

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture, Cylinder

April Cook-Off 2013

Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Predictopus, To challenge or not, Lapindromes

May Cook-off 2013

Subtraction Game 1, Subtraction Game 2

July Challenge 2013

Count K-Primes

August Cook-Off 2013

Chef and The Right Triangles

October Cook-Off 2013

Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Kamehameha

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

November Cook-off 2013

Am I a Fibonacci Number, Lowest Sum, Number of Paths, Trees and Subtrees, Rank of the Number

December Challenge 2013

Funny Marbles, Magic Pairs, Rectangular Queries

December Cook-off 2013

Chef Goes Through Segments, Chef and Girlfriend

January Cook-off 2014

Chef and the Cake I

March Cook-Off 2014

Dividing Stamps

April Cook-Off 2014

Snape and Ladder

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM

March Challenge 2014

Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps, A Story with Strings

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings

August Challenge 2014

Chef and Reversing, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

January Challenge 2017

Cats and Dogs

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers

October Challenge 2018 Division 2

Chef and Serves

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3

April Lunchtime 2021 Division 3

Chef in Heaven , Bench Press, Equinox Strings, Array Rotation, Coldplay

May Lunchtime 2021 Division 3

Birthday Gifts, Charges, Hoop Jump, Tom And Jerry 1, Total Components

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 147 Division 2 (Rated till 5 stars)

K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version), Kill Monsters (Easy Version)

Starters 150 (Rated)

Equal Pairs (Hard), Min Ops (Easy), Replacing Game, Find Multiset State, Equal Pairs (Easy)

Starters 157 (Rated till 5 stars)

Small, Smaller, Smallest, MEXtreme Divisibility

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated)

Super Hero, Random Nim, Glass Bridge (Easy), Chess Colouring, Elections

Starters 160 (Rated)

Palindrome Love, Buying Order (Easy), Equate S and T

Total Problems Solved: 188

1954
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2139)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2025 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.