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Programming and DSA

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Practice Compete Compiler

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Programming and DSA

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

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Programming and DSA

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Programming and DSA

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

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Practice Compete Compiler
Home » kdu_2
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kdu_2

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

Submissions Heat Map

Rating Graph

No. of Contests Participated: 23
2197 (+49)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 239 (Rated till 5 star)(2026-05-20 22:00:00)
Global Rank:   1
Cheated in:   

Ratings System Update

(2026-05-20 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)

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Infosys InfyTQ - Questions

1%

Contests (23)

November Long 2022 Division 4 (Rated)

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

December Long 2022 Division 2 (Unrated)

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

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)

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

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)

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

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 )

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

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, Set To Median, Maximum MST, Cab Rides

Starters 205 (Rated till 6 star)

Unreachable

Starters 206 (Rated)

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

Starters 207 (Rated)

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

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)

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

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

Starters 239 (Rated till 5 star)

Gravity Golf, Subarray Split, Planting Roses, Magic Mirror, Subarray Split (Easy)

Total Problems Solved: 165

2197
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2485)
  • 417 Global Rank
  • 20 Country Rank
NA
DSA Rating (Highest Rating 0)
  • Inactive Global Rank
  • Inactive 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

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