kdu_4

• Username: 7★kdu_4
• Country:  North Korea
• Student/Professional:Other
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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 9

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2522 (+151)RatingProvisional
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Starters 178 (Rated till 6 star)(2025-03-19 22:15:00)

Global Rank:   3

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(2025-03-19 22:15:00)

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

Global Rank:   1

Cheated in:   

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

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Contests (9)

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)

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

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 85 Division 3 (Rated)

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

Starters 141 Division 4 (Rated)

Perfect Prefixes, Lucky Clover, Amphibian Escape, Redundant Array, Nearly Equal

Starters 142 Division 2 (Rated)

Sum of Xors, Pairs Sum with Length x, The Cards Machine, Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 1 (Rated till 5-Stars)

Split Sort Permutation, Non-Divisor Array, Max Min and Length, Spread of Ratism, Lex Min Binary String

Starters 144 Division 1 (Rated)

Largest K

Starters 146 Division 1 (Rated till 5 stars)

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

Starters 162 (Rated till 5 stars)

Empty the String, Permutation Mod K

Starters 178 (Rated till 6 star)

Smoothly Increasing , Colosseum, Big Difference, Count Disjoint Arrays, Reduce to Palindrome, Minimum Colours (Hard)

Total Problems Solved: 65