WiSong
- 7★redstar1
- North Korea
- Student
- University of Sciences, D.P.R Korea
- No Active Plan. View Details
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Ratings System Update
(2024-01-10 22:15:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0):
None
Practice Paths (0):
None
Contests (10):
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
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
August Cook-Off 2021 Division 2:
Odd Array, Different String, Chef and Closure, Equal Difference, Clear the Array
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
CodeChef Starters 11 Division 2 (Rated):
Positive Spewing, The Grid Fill Problem, Obtain the Sum, A Counting Problem
October Challenge 2021 Division 1 (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 1 (Unrated):
Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Maximise the bridges, Convex Hulk
December Challenge 2021 Division 1 (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 1:
Binary String Game, Destructive Nim, RGB Construction, Break the Balance
January Long 2022 - I, Division 1 (Unrated):
Sequence Master, Generating Cycles, 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
April Long One 2022 Division 1 (Unrated):
Yet Another Mex Problem, Dazzling AXNODR Challenge , Bullets and Enemies, Min Max Equality, Pairwise Xors
April Long Two 2022 Division 1 (Unrated):
Geometric Mean Inequality, Yet Another LIS Problem, Antipodal Points, Flip to Invert, Chef And Division
May Long One 2022 Division 1 (Unrated):
Mystical Numbers, In The Green Zone, The Magical Stone, Alternating Diameter, Four Arrays
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 99 Division 1 (Rated till 6 Stars):
Segment Three, Maximize Ones, Musical Chairs, Two Piles, Yet Another Bitwise Problem, Exclusion-Inclusion
Starters 104 Division 1 (Rated till 6 Stars):
Lexicographically Largest , Construct An Array, Maximise Sum
Starters 107 Division 1 (Rated till 6 Stars):
Binsearch, Maximal Expression, Interesting Knapsack, Adjacent Flips, Odd Matrix, OR Permutation, Recover The Array
August Long 2023 Division 1 (Unrated):
Codechef Copy, Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 116 Divison 1 (Rated till 6-Stars):
Chile, Expected Diameter, Chef Product, ORST , Permutation Sort, Exact Savings