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 » redstar1984001
user profile

redstar1984001

Rookie League Rookie League
  • 5★redstar1984001
  •   North Korea
  • Student
  • University of Sciences, D.P.R Korea
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 10
2176 (-199)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 211 (Rated till 6 - star)(2025-11-05 22:00:00)
Global Rank:   134
Cheated in:   

Ratings System Update

(2025-11-05 22:00:00)
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?
NA? (+NA)RatingProvisional
Rating i Provisional Rating, click to know more
None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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 (10)

Starters 135 Division 4 (Rated)

Limit of MEX, Change A to B, Football Ties, RCB vs CSK , Invert And Equalize

Starters 136 Division 2 ( Rated )

Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Max K Subarray, Sum of Modes, Non-Zero XOR, My First Geometry Problem

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Unusual Queries, Double Trouble, Coprime Subarrays

Starters 138 Division 1 (Rated till 6-Stars)

A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Cyclopian Edges, Breezy Mode Problem, Distinct Substring

Starters 146 Division 1 (Rated till 5 stars)

Back Front, Binary Strings Yet Again, Permutation Construction, Connect The Chains, Bouncing Ball

Starters 164 (Rated till 5 stars)

Halloween Array

Starters 193 (Rated for all)

Add Permutation

Starters 201 (Rated till 6 star)

Huge Grid (Easy Version)

Starters 203 (Rated till 5 star)

Maximum MST, Set To Median, MEX on Ranges, Subsequences of Subsequences, Maximum Score Subarray

Starters 208 (Rated till 6 star)

GCND

Starters 209 (Rated till 5 star)

Easy Grid Game, Binary Love, Tactical Conversion, Counting Is Fun, High Score (Hard Version), High Score (Easy Version)

Starters 211 (Rated till 6 - star)

No Doubling

Starters 223 (Unrated)

Expansion

Total Problems Solved: 54

2176
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2526)
  • 533 Global Rank
  • 23 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

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

© 2026 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.