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 » RGB
user profile

RGB

  • 7★rgb_icpc1
  •   North Korea
  • Other
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 11
2776 (+58)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 181 (Rated for all)(2025-04-09 22:30:00)
Global Rank:   6
Cheated in:   

Ratings System Update

(2025-04-09 22:30:00)
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?
1741? (-71)RatingProvisional
Rating i Provisional Rating, click to know more
November Challenge 2020 Division 2(2022-12-20 00:00:00)
Global Rank:   987
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 (2)

learn-icon

Learn NumPy - Practice Problems and Challenges

5%
learn-icon

Learn C++

1%

Practice Paths (1)

learn-icon

Dynamic programming

14%

Contests (11)

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Chef vs Bharat, Even Odd Partition, Optimal Denomination, Chef and Pairs, Madoka and Ladder Decomposition, Dakimakura Distribition, K Path Query

November Challenge 2021 Division 2 (Unrated)

Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges, Convex Hulk

December Challenge 2021 Division 2 (Unrated)

Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Squares Counting

January Long 2022 - I, Division 2 (Unrated)

Sequence Master, Generating Cycles, Prime in a binary string, Retrieve back the Array, Chef and Riffles

January Long 2022 - II, Division 2 (Unrated)

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome

March Long One 2022, Division 2 (Unrated)

Akash and Function, Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees

March Long Two 2022, Division 2 (Unrated)

Minimum Longest Substring, Missing Numbers, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU, Perfect Imperfections 2

April Long Two 2022 Division 2 (Unrated)

Geometric Mean Inequality, Antipodal Points, Akash and Equal Mean, Flip to Invert, Chef And Division, Pseudo Sorted Array

June Long One 2022 Division 2 (Unrated)

Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

June Long Two 2022 Division 2 (Unrated)

Counting Is Fun, Gcd and Lcm , Count the ACs, AP Grid, The Subarray XOR, Reversal Sorting, Strong Elements

July Long One 2022 Division 2 (Unrated)

Largest Square in the garden, Expected Difference, Journey of the Knight, Game of Piles Version 2, Find A, B, C, Slow Solution

July Long Two 2022 Division 2 (Unrated)

Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Similar Subsequence

August Long 2022 Division 2 (Unrated)

Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation, Two Trains, Crazy Subsequences

September Long 2022 Division 2 (Unrated)

Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray, Good Pairs

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, GCD Queries, Bomb Blast

Starters 95 Division 2 (Rated)

Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, EVacuate to Moon, Break This Array

Starters 96 Division 1 (Rated till 5 Stars)

Swap the numbers, Remove Stones, Zero Array, Mex Array, Absolute Differences

Starters 97 Division 1 (Rated till 6 Stars)

Make It Special, Unreachability Cost, No Palindrome, Triplets Min

Starters 98 Division 1 (Rated till 6 Stars)

3-Blast Palindrome, Happiness , Build Towers, Ball Distribution, Some Queries, Sub-Array With Maximum Sum

August Long 2023 Division 1 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 144 Division 1 (Rated)

Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K

Starters 173 (Rated upto < 2700)

Cool Subsequences, Postman and LLM, Modular Minimization, Introverts, Cool Checker, Min-Max Product Partition, Time Penalty, Overwrite

Starters 181 (Rated for all)

Costly Swapping, The Best Matrix, Tree Colouring (Hard), Mex Permutation (Easy), Tree Operations (Easy), Flip Prefix

Total Problems Solved: 234

2776
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2776)
  • 15 Global Rank
  • 1 Country Rank

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 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
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer

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

© 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.