kdu_6

• Username: 5★kdu_6
• Country:  North Korea
• Student/Professional:Other
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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 21

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Starters 212 (Rated till 6 star)(2025-11-12 22:00:00)

Global Rank:   135

Cheated in:   

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November Long 2022 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   16

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (21)

November Long 2022 Division 4 (Rated)

Split and Maximize, MaxEdges, String Game, Water Mixing, Spliting Balls, Time Complexity

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)

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

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 90 Division 2 (Rated)

Anti Palindrome, Printing Binary Array, Crushed Apples and a Balance Scale

Starters 96 Division 2 (Rated)

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

Starters 97 Division 2 (Rated)

Make It Special, Schrodinger Smiley, No Palindrome, Triplets Min

Starters 98 Division 2 (Rated)

Happiness , Ball Distribution, Build Towers, Airport Management, 3-Blast Palindrome

Starters 131 Division 1 (Rated till 5 Stars)

ABC Conjecture 2, K-Closeness, Digit Space, Encrypt Value, T-Perm

Starters 144 Division 1 (Rated)

Largest K

Starters 169 (Rated)

Make K Most Frequent, Tree Queries, No Palindromes, Constant Subsequence, Hamming equivalent

Starters 172 (Rated till 5 stars)

Transform String, AndOr, Forgotten Permutation, Binary Trisection, Tactical Removal

Starters 174 (Rated upto 2700)

Graph Monsters, Mystic Slimes, Meximal Sum, GCD Add Size

Starters 175 (Rated till 5 stars)

The Skip Game

Starters 180 (Rated till 6 star)

Random Input Problem, Balls and Boxes, Shall we play a game, Huh, Easy, Counting Problem

Starters 183 (Rated till 6 star)

S to T, Complete MST, Arbitrary Shuffling, Swap Permutation 2, Swap Permutation 1, Pivotal Reversal

Starters 193 (Rated for all)

Add Permutation

Starters 197 (Rated till 6 star)

Split

Starters 199 (Rated till 5 star)

Perfect Ranges, Replace with Coefficients, Fence Colouring, Grid MEX, XOR Game

Starters 201 (Rated till 6 star)

Huge Grid (Hard Version), Delete Maximum, Huge Grid (Easy Version), Tuple Slimes, Permutation Cost Sum, Compare and Connect

Starters 206 (Rated till 5 star)

Cyclic Shift Minimization, MEX Tree, Product Equal Sum, Min Steps, Gladiator Fighting

Starters 208 (Rated till 6 star)

GCND

Starters 212 (Rated till 6 star)

Interesting Binary (Easy Version), Binary Flip

Total Problems Solved: 107