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 » kdu_2
user profile

kdu_2

Silver League Silver League
  • 5★kdu_2
  •   North Korea
  • Other
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 22
2148 (+33)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 232 (Rated till 5 star)(2026-04-01 22:00:00)
Global Rank:   14
Cheated in:   

Ratings System Update

(2026-04-01 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?
1736? (+0)RatingProvisional
Rating i Provisional Rating, click to know more
November Long 2022 Division 4 (Rated)(2022-12-20 00:00:00)
Global Rank:   1
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 (3)

learn-icon

Machine Learning

14%
learn-icon

Operating System

5%
learn-icon

Time complexity

28%

Practice Paths (1)

learn-icon

Infosys InfyTQ - Questions

1%

Contests (22)

November Long 2022 Division 4 (Rated)

Minimize swaps, Split and Maximize, Spliting Balls, Alice and the Array, Time Complexity, Water Mixing, String Game, MaxEdges

December Long 2022 Division 2 (Unrated)

Gcd of Subarrays, Maximise XOR, Divisible by A_i, Sum of Cube , Break into Powers, Not Divisible, Counting Subsequences

Starters 80 Division 2 (Rated)

Permutation Subsequence, c8kbf and Tree, Prefix Permutation, Matrix Pain, Equal Elements

Starters 85 Division 1 (Rated till 6 stars)

Crazy Bishops on Chessboard, Efficient PAN Linking

Starters 86 Division 2 (Rated)

Minimum Operation, Largest Y, Maximise Score

Starters 88 Division 1 (Rated till 6 Stars)

Chef and Asteroids, Chef and Good Array, Minimize the Bits, Maximum And Or

Starters 118 Division 1 (Rated till 5-Stars)

Water buckets, Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 119 Division 1 (Rated till 6-Stars)

Luxury Inflation, Unalike Gcd & Lcm, The Electrifying Problem, K Odd Sum

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Making Stars, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, Red Blue Decomposition, ConstructXor, SumXor

Starters 136 Division 1 ( Rated till 6-Stars )

Non-Zero XOR, Who Makes P1, Even Sum Subarray, Game On Rectangle, Sum of Max K Subarray, Sum of Modes, Lexicographically Maximal Prefix AND

Starters 144 Division 1 (Rated)

Largest K

Starters 180 (Rated till 6 star)

Huh, Easy

Starters 185 (Rated till 5 star)

Double Shuffle, GCD Summation, Asymmetric Cookies, Double Shuffle (Hard), Array Deletion Game, Range Maximum Deconstruction (Easy)

Starters 197 (Rated till 6 star)

Good Ranking (Pair)

Starters 203 (Rated)

MEX on Ranges, Cab Rides, Maximum MST, Set To Median

Starters 205 (Rated till 6 star)

Unreachable

Starters 206 (Rated)

Cyclic Shift Minimization, Min Steps, Gladiator Fighting, Prime Sum

Starters 207 (Rated)

Maximum Smaller, Subset MEX Counting, Adjacent Sums, Make Subarray

Starters 210 (Rated till 5-star)

Delete Sorted Subsequence, Min Modular Subarray, Make All, First Element Counting

Starters 212 (Rated till 6 star)

Interesting Binary (Easy Version), Distinct Fun, Counting MEX Is Fun, Binary Flip

Starters 230 (Rated till 5 star)

A to B (Easy), Sets Diff by K, Sum of Second Max

Starters 231 (Rated till 5 star)

Constrained Chopping, Target Temperature, Recurrence Reachability, Extended Viewing

Starters 232 (Rated till 5 star)

Food Resources, Sortable Subarrays, Max Size, Alternating Sum, Set Size

Total Problems Solved: 160

2148
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2485)
  • 574 Global Rank
  • 24 Country Rank

Skill tests

3%

Python Skill test

Attempted on October 2025
0%

Skill test: Computer networking

Attempted on November 2025
View skill tests

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

Bizzhub Workspaces, 6th Floor, MSR North Tower, Outer Ring Rd, Manayata Tech Park, Nagavara, Bengaluru, Karnataka 560045 help@codechef.com +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
Hire from us
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.