kdu_5

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• Username: 5★kdu_5
• Country:  North Korea
• Student/Professional:Other
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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 20

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2079 (-142)RatingProvisional
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Starters 240 (Rated till 6 star)(2026-05-27 22:00:00)

Global Rank:   69

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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Learning Paths (1)

Learn Python Programming

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Practice Paths (0)

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Contests (20)

November Long 2022 Division 4 (Rated)

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

December Long 2022 Division 2 (Unrated)

Maximise XOR, Gcd of Subarrays, Divisible by A_i, Sum of Cube , Break into Powers

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, Can Chef

Starters 142 Division 3 (Rated)

Number Hunt, Array Removal, Penalty Shoot-out, The Cards Machine, Sum of Xors, Chef loves Pizza Chef loves halfs

Starters 144 Division 2 (Rated)

Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Budget Allotment, Largest K

Starters 146 Division 2 (Rated till 5 stars)

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

Starters 147 Division 1 (Rated till 5 stars)

Counting Triangles 101, K Subsequence 101, Counting is Fun 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Shortest Distances 101, Gold Coins 101

Starters 162 (Rated till 5 stars)

Empty the String, And Sort, Permutation Mod K, MEX of XOR, Sum of Empty the String

Starters 170 (Rated till 6 star)

Array Compression, Crazy Jumping Frogs, qUiRkY qUesTs (Easy), qUiRkY qUesTs (Hard), Stabilize Warwick

Starters 176 (Rated till 4 star)

Costly Summit, Mex-P Tree (Easy), Run for Fun, Mex-P Tree (Hard), Friendly Binary Strings, Same And

Starters 193 (Rated for all)

Add Permutation

Starters 197 (Rated till 6 star)

Split

Starters 201 (Rated till 6 star)

Compare and Connect, Huge Grid (Easy Version)

Starters 204 (Rated till 5 star)

Perfect Matching, Cities Colours, Minimize Sum, Multiple Change Sum

Starters 205 (Rated till 6 star)

Unreachable, Prefix-Suffix Reconstruction, Reflection Disorder, Water Supply

Starters 207 (Rated till 5 star)

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

Starters 208 (Rated till 6 star)

Cycle and Add, GCND, XOR Sorting

Starters 212 (Rated till 6 star)

Binary Flip

Starters 213 (Rated till 5 star)

Mean Difference (Easy), Chef and String, Maximum OR Sum, Mean Difference (Hard), Separation, Maximum Product Walk

Starters 214 (Unrated)

Crazy Permutations

Starters 240 (Rated till 6 star)

Binary Smile

Total Problems Solved: 137