Ri Chok
- redstar09
North Korea- Student
- University of Sciences, D.P.R Korea
- No Active Plan. View Details
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Learning Paths (1)
Practice Paths (0)
None
Contests (16)
August Long 2022 Division 4 (Rated)
Angled Flip, Tree of Trees, Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal, Crazy Subsequences
Starters 53 Division 2 (Rated)
Black&White Ring Game, Rocket Pack, Make It One, Winter Is Here, Make A and B equal, Queen Blocks
September Long 2022 Division 2 (Unrated)
Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray, Good Pairs
October Long 2022 Division 3 (Rated)
A drawing game, Chef And Array Construction, Twos and Zeros, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 63 Division 2 (Rated)
Maximize 1s, Count Partitions , One-XOR Deletions, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Square Sort, Xor Array, Prime Factor Division, Planning the Trip, Distinct Neighbours
Starters 65 Division 2 (Rated)
Coordinate Points, Nahaane Jaa, Candies, Binod, Gormint Aunty, Potato to Gold, Lazy Ancestors
November Long 2022 Division 2 (Unrated)
MaxEdges, Minimize swaps, Minimum BFS Length, Split and Maximize, Spliting Balls, Alice and the Array
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 87 Division 2 (Rated)
Inversions of subsequences, AB plus C
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray, Good Operations, Minimize the Bits, Chef and Good Array, Minimum OR Spanning Tree
Starters 94 Division 1 (Rated till 5 Stars)
Strange Sort, Place The Number, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Zero Array, Mex Array, Absolute Differences
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Chef Lost an Array, Alter Ego, Chroma Swap, Rigged Game
August Long 2023 Division 1 (Unrated)
Codechef Copy, Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 113 Division 1 (Rated)
Make All Equal
Starters 117 Division 1 (Rated till 5-Stars)
Equality Etiquette, Spread Spree, Stingy Arrays, Go Away, Goose!, Not Prime Permutation, Roads and Flights, Yearly Phone
Starters 118 Division 1 (Rated till 5-Stars)
Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, The Smallest String, Colourful Balls, Split And Maximize, Escape, Caesar Cipher Lite, Magic Palindrome
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Making Stars, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II, Delete the Array, XOR Partition Sort
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Manhattan Xor, Operating on A, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Remove the Peaks, Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps
Starters 130 Division 1 ( Rated till 6-Stars)
Make Equal
Starters 133 Division 1 (Rated till 6-Star)
ABC Conjecture 3, Powered Parameters, Too Far For Comfort, Fireworks, Too Far For Comfort (Easy Version)
Starters 134 Division 1 (Rated till 6-Stars)
Chef and Bit Tree, Origin, Prison Escape, 3out1in
Starters 135 Division 1 (Rated till 5-Stars)
Graph Cost, Change A to B