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 » Grigory Reznikov
user profile

Grigory Reznikov

  • 5★grikukan
  •   Russia
  • Student
  • Lomonosov Moscow State University
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 57
2048 (-5)RatingProvisional
Rating i Provisional Rating, click to know more
June Challenge 2019 Division 1(2019-06-17 15:00:00)
Global Rank:   287
Cheated in:   

Ratings System Update

(2019-06-17 15:00:00)
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?
2048 (-7)RatingProvisional
Rating i Provisional Rating, click to know more
June Challenge 2019 Division 1(2022-12-20 00:00:00)
Global Rank:   287
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)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

5%

Contests (57)

February Challenge 2015

Chef and Chain, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Matrix

April Challenge 2015

Chef and Interview, Broken Telephone

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Steady tables, Chef and Memory Limit

July Challenge 2015

Addition and Multiplication, Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Devu And Churu , Cooking Machine, Chef and insomnia

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire, Spheres

April Cook-Off 2015

Equality, Version Control System

May Cook-Off 2015

Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake

September Mega Cook-Off 2015

Reign 2, Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

December Cook-Off 2015

Chef and Subarrays, Chef and Queries

April Lunchtime 2015

Tickets

May Lunchtime 2015

Devu and Grapes, Devu and Manhattan Distance, Number of Ways

July Lunchtime 2015

Greedy puppy, Puppy and game, Puppy and cats

December Lunchtime 2015

Ancient Berland Roads, Distinct Codes

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Sereja and Two Lines, Chef-Detective

March Challenge 2016

Chef And Hungry Birds, Palindromic substrings, maximize the sum, Parity tree

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Sereja and GCD 2, Easy Queries, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chefland and Electricity

August Challenge 2016

Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid, A Good Problem

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016

Chef and Keyboard

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Sereja and Increasing subsequence, Kirito in labyrinth, Edit Distance Revisited, Roses for Alexey, Our Base is Under Attack

May Cook-Off 2016

Phantasialand

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far

December Lunchtime 2016

Superheroes and villains, Fly height mode, MST Queries, Subtree swapping

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia

February Challenge 2017

Eugene and big number, Interval Game, Chef and His Apartment Dues

March Challenge 2017

Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Chef and Divisor Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017

Chef and Prime Queries, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Palindromic Game, Greedy Candidates, Strings and Graphs

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Weasel finds Staircase, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Villages and Tribes

August Cook-Off 2017

Tree Connectivity, Matrix and Chef, Real obtuse, From heaven to earth

September Lunchtime 2017

Chef and Cook-Off Contests

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging

November Cook-Off 2018 Division 2

Truth and Dare, Beautiful Garland, A-B Game, Tree Unattractiveness

April Challenge 2018 Division 2

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

December Challenge 2018 Division 2

Colorblind Feast, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Difficult Contests, Chef and Happiness

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 1

Chef and Soccer, Cheating on Queue, Treasure Hunt, Yet Again a Subarray Problem

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display

Coders' Legacy 2019 (Rated for all)

Bathwater, Tennis, Metro, IPL and RCB, Up for a Game, Paths

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD, Forgotten Tree 9

Total Problems Solved: 273

2048
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2278)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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.