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SinRyok
- 7★redstar0
North Korea
- Student
- University of Sciences, D.P.R Korea
- No Active Plan. View Details
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(2023-05-31 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (6)
June CodeChef Starters 2021 Division 3 (Rated)
Total Correct Submissions, Sleep Cycle, Flappy Bird, Chess Match, Chef and Queries, Cyclic Quadrilateral
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Even Odd Partition, Optimal Denomination, Chef and Pairs, Madoka and Ladder Decomposition, Dakimakura Distribition, K Path Query
July Lunchtime 2021 Division 2
Beautiful Pairs, Xor Separation, Array Rotation Returns, Longest Good Segment, Bad Luck
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Alternating LG Queries, Charge Scheduling, Chef and Digits of Large Numbers, Fat Hut, Problem Difficulties, Olympics Ranking
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2
October Challenge 2021 Division 2 (Unrated)
Chef at the Olympics, Longest AND Subarray, Digit Removal, MEX-OR, Yet another MEX problem, Characteristic Polynomial Verification, Hidden Points
November Challenge 2021 Division 2 (Unrated)
Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges, Convex Hulk
December Challenge 2021 Division 2 (Unrated)
Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Squares Counting
December Cook-Off 2021 Division 2
Median Minimization, Binary String Game, Destructive Nim, Musical Chairs, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique
January Long 2022 - I, Division 1 (Unrated)
Sequence Master, Generating Cycles, Prime in a binary string, Retrieve back the Array, Chef and Riffles
January Long 2022 - II, Division 1 (Unrated)
Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours
February Long 2022 - I, Division 1 (Unrated)
Random OR, Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent
February Long 2022 - II, Division 1 (Unrated)
Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome
March Long One 2022, Division 1 (Unrated)
Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees
March Long Two 2022, Division 1 (Unrated)
Minimum Longest Substring, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU, Perfect Imperfections 2
June Long One 2022 Division 1 (Unrated)
Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD
June Long Two 2022 Division 1 (Unrated)
Counting Is Fun, Gcd and Lcm , AP Grid, The Subarray XOR, Reversal Sorting
July Long One 2022 Division 1 (Unrated)
Largest Square in the garden, Expected Difference, Game of Piles Version 1, Game of Piles Version 2, Find A, B, C
July Long Two 2022 Division 1 (Unrated)
Maximize Difference, Concat Sort, Sum of Product 2, Similar Subsequence
August Long 2022 Division 1 (Unrated)
Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation, Crazy Subsequences
September Long 2022 Division 1 (Unrated)
Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray
October Long 2022 Division 1 (Unrated)
A drawing game, Chef And Array Construction, Twos and Zeros, Binary Substituition
Starters 63 Division 1 (Rated for 5 & 6 stars)
Distinct Neighbours , Maximize 1s, Count Partitions , GCD Sort, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
November Long 2022 Division 1 (Unrated)
MaxEdges, Minimize swaps, Minimum BFS Length, Alice and the Array
December Long 2022 Division 1 (Unrated)
Counting Subsequences, Not Divisible, Break into Powers, Sum of Cube , Divisible by A_i
January Long 2023 Division 1 (Unrated)
A Short Counting Problem, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Chef and Polygons, Chef Graph, Beautification of array, Distance Coloring