Gennady Korotkevich
- 7★gennady.korotkevich
Belarus- Student
- Saint Petersburg National Research University of Information Technologies, Mechanics and Optics
- No Active Plan. View Details
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Ratings System Update
(2023-02-08 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (102)
January 2010 (Contest XII)
Jawbreaker
July 2010
Closest Ranking, Happy Days, Maximal crosses, Rearranging Digits, Adding Least Common Multiples, Block Tower
July Cook Off
The Black and White Knights, Head office building, Ripple-Carry Adder
August 2010 Challenge
Genetics, Swarm of Polygons, Exit code, Obstacle Course, Stepping Numbers, Optimizing Production and Sales
September 2010 Challenge
Multiples of 3, Brush Fire, Cake Production Line, Bytelandian Shoppers, Trees Again
November 2010 Challenge
Graph Challenge
The January 2011 Cook-Off
Divisors number divisibility, Holes in the text, Chef team, Whole submatrix, Time of collisions
February 2011 Contest
Bogosort, Glass Measurement, Milestones, Counting Terms, Coloring Colorable Graphs
February Cook - Off Challenge
Integer Sequences, Breaking Into Atoms, Three Way Communications, Dance Floor Energy, Icing Crowns
April Long Contest
Gravel, Number Game Revisited, Generalized Independent Sets, Graphs in Euclidean Space, Central Point, Rectangles Counting
April Cook-Off Challenge
The Grand Cook Off, A Prime Conjecture, Internet Media Types
May Long Contest 2011
Pruning Trees, Tree Product, The Great Wall of Byteland, Bickering Cooks, Sum Divides Product, Harmonious Decorating
May Cook-off 2011
Popular Rice Recipe, Socializing Game around Pizza, Packing the Golden Triangles, Distribute idlis Equally
June Long Contest 2011
Mushroom Cave, Maximal Score Path, Chef Teams, Attack of the Clones, Minesweeper Reversed, Restock
June Cook-off
Longest Arithmetic Progressions, D-Power Permutations, Correctness of Knight Move, Super-plane
August Long Contest 2011
Coloring in Hypercube, Infinite Grid Game, Something About Divisors, Shortest Circuit Evaluation, Block Drop, Complex Spanning Tree
October Cook-off
Generalized Arithmetic Progression Free Sequence, Permute Digits, Lame Queen Game, First non-Palindrome, Chef Travel Routes
December Cook-Off
Ciel and New Menu, Ciel and A-B Problem
January 2012 Challenge
Misinterpretation 2, Ambidextrous Chefs, Houses and Restaurants, Gap Filler Game, Lucky Sum, Card Shuffle
January Cook-Off
Collision in Space, Makx Sum, Remys last tour, Moving between Floors, Zeta-Nim Game
March Cook-Off 2012
Ciel Numbers I, Ciel Numbers II, Ciel and Genjiko, Ciel and a new island
April Challenge 2012
PDS Number, Lucky Array, Parallel Computing, Fit to Play, Double Strings, Find a special connected block, Substrings on a Tree, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs
April Cook-Off 2012
Selection for Training Camps, Top Batsmen, Crease Painting, Resistance, Best Buggy Ratings
May Cook-Off 2012
Little Elephant and Filling, Little Elephant and Balance, Little Elephant and Swapping, Little Elephant and Strings, Little Elephant and CNSes
June Challenge 2012
Closest Points, Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Magic Hull, Expected Maximum Matching, Doom Bakes Cakes, Cool Numbers, Fly-overs, Arranging Cup-cakes
June Cook-Off 2012
Closing the Tweets, Connecting Soldiers, Golden Trees, Gifts at Olympics, Alien Chefs
August Cook-Off 2012
Rebuilding Byteland, Codechef Password Recovery, Forced Output, Code Crazy Minions, Asmany Number Verification
November Cook-Off 2012
Little Elephant and Magic, Little Elephant and Lucky Segment, Little Elephant and Permutations, Little Elephant and Divisors
February Cook-Off 2013
Lack of Logic, Row and Column Operations, End Of The World 2, Hotel Balifornia 2
April Challenge 2013
Fault Tolerance
May Challenge 2013
Matchsticks, Witua and Math, Tree Counting, Queries on tree again!, Chef Protection Plan, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip
April Cook-Off 2014
Snape and Ladder, BiCo Gaming Grid, Travelling Chef Problem, Distant Relatives
May Cook-Off 2014
Substrings and Repetitions, Book Game with Chef, Divide the Cake, Ups and Downs, Build the Tree
July Cook-Off 2014
Copy-Paste, Present for Andrii, Sum Queries, Tree Again, Friends
August Cook-Off 2014
Tree Game, Permutation Shuffle, Shooting, Paint the Tree, Count Digits
December Challenge 2014
Kali and Devtas
November Lunchtime 2014
A wolf, a sheep and cabbage, Deja Vu, Yet another substring problem, Dividing the Students
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake
May Cook-Off 2015
Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake, Devu and most energetic minion, Devu, his sister and Rangoli
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum, Adding Up Sequences of Towers
August Cook-Off 2015
Chef and the Cards, Chef and the XORed Number , Chef and the Number Sequence, Chef and the Wildcard Matching
February Lunchtime 2017
Bear and House Queries, Bear and Milky Cookies, Bear and Bribing Tree, Bear and Oveflow Points
June Cook-Off 2017
Ada and crayons, Knight Covering, A Study in Bake Street, SnackUp, Centeroid
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, Bipartite Graph from Trees
August Cook-Off 2017
Tree Connectivity, Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth
September Cook-Off 2017
Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, Mixing Colors
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps, Chef and Math Test
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, Chef and Chefcoin
February Lunchtime 2018
Prefix borders, Game with numbers, Jumping in the hills
April Cook-off 2018 Division 1
Run Direction, Binary Nim, Pawn Chess, Chef Goro, Hamel Paths
June Cook-Off 2018 Division 1
Masha and Minions, Sonya and Segments, Danya and Numbers, Batman and Tree, Good Permutations
July Cook-Off 2018 Division 1
Sticks, OR Matrix, Finding Second Maximum, Chef and Queries on a Tree, Chef and GCD Game
August Cook-Off 2018 Division 1
GukiZ and Candies, Mixi Game, Hack Fulu, Standard Tree Task
September Mega Cook-Off 2018 Division 1
OneTwo, Learning Dishes, Dot It, Make a Permutation, Ghayeeth vs Siroj
April Lunchtime 2018 Division 1
The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling, Darts
May Lunchtime 2018 Division 1
Sum on Tree, Count Substrings, Shifted Palindrome, Weak in the Middle, Maximum Plus
June Challenge 2018 Division 1
Two Flowers, Vision, Ways to Work, Expected Buildings, Archi and Tree, Binary Board
July Challenge 2018 Division 1
Pizza Delivery, Picking Fruit for Chefs, Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears
June Lunchtime 2018 Division 1
Unusual Sorting, Graph on a Table, Sort the Leaves, Permutation Composition Queries, Summary Power
September Lunchtime 2018 Division 1
Biased Judgement, Opposite Cites, Chef Restaurant , Match the Streams, Coin Partition
ALKHWARIZM (Rated)
Harry in the Chamber of Secrets, Help Voldemort, Hedwig The Smart Bird, Harry Potter and the Goblet of Fire, Harry Potter and the Deathly Hallows - 2, Deathly Hallows and The Cloak Of Invisibility, Wingardium Leviosa, Sam, The Charming Angel
December Lunchtime 2018 Division 1
Choosing from Buckets, Drawing Lines, Maximize the NOSS, Find Best Path, Age Calculator
January Lunchtime 2019 Division 1
Distances, Wanderer, Rooks, Mouse Meets Cheese, Bus Station
June Lunchtime 2019 Division 1
Fuzzy Conversions, The Grux Permutation , Gii and His Club, Igzi and Burly Array, Ivan Pesic and His World Tour
March Cook-Off 2020 Division 1
Mysterious Sequence, A Tree to Remember, Maximize Letter Beauty, Random Chocolates, Escape the Tree
April Cook-Off 2020 Division 1
Maximum GCD Subset, Tower Counting, The Gifting Problem, Simple Operations, Inversions in Permutations
May Cook-Off 2020 Division 1
Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Curious Queries
August Lunchtime 2020 Division 1
Game on a Strip, Quest for Dragon Balls, Counting Graphs, Chefina and Swaps, Alien Invasion , Elevator
December Cook-Off 2020 Division 1
Mysterious Sequence, Self-Destructing Strings, Sed Passwords, On Graphs, Probability Theory and Cakes, Circle of Chaos, Carry All Fruits, Sweet Rectangles
January Cook-Off 2021 Division 1
Mex Subsequence, Not Too Colourful, Partition Ways, Prefix And, Common Ancestors, Equal Gifts
December Lunchtime 2020 Division 1 (Unrated)
K-Tuple Tree, Even Sequence, Three Letters, XOR-ed Palindromes, One Zero Swaps
January Lunchtime 2021 Division 1 (Unrated)
Random Grouping, Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum
October Cook-Off 2020 Division 1
Path-etic Sums, An Inveractive Problem, The In-XOR-able Task, Isomorphic Morphism, Yet Another Crossover Episode
November Cook-Off 2020 Division 1
Xor Counting, Flip the String, Chef and IPC Certificates, Graph Construction, Set Queries, Communication Channel, Hiring Workers
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Chef and Edge Flipping, Counting Spaghetti, Cute Chef Gift
November Lunchtime 2020 Division 1
Gasoline, Rook Path, Fractions, Circle Coloring, Circle Eating
September Lunchtime 2020 Division 1
Permutation Split, Root the Tree, Robot Detector, Few Different Elements
March Cook-Off 2021 Division 1
Consecutive Deletions, Water Transfer, Sort String, Chef and Sorting, Hill Sequence
March Lunchtime 2021 Division 1
Node Codon, Uniform, Binary Game, Lunchtime, Prime Cycle, Gamer
April Cook-Off 2021 Division 1
Array and Operations, Low Budget Sanitization, Tree Distances, OR of ANDs, Valet Parking, GCD Sums, Deletion Sort
April Lunchtime 2021 Division 1
A Special Tree, Chef in Heaven , Bench Press, Equinox Strings, Hackerman, Intersection Matrix, Array Rotation, Magical Coins, Coldplay, Weird full graph
May Lunchtime 2021 Division 1
Tokens On A Tree, Odd Sum Partition, Interactive MST, Similar Arrays, Total Components, K-Subarrays
June Cook-Off 2021 Division 1
Binary String on Steroids, Battle Royale, Polynomial Root, Random Permutation
June Lunchtime 2021 Division 1
From Rational to Binary, False Number, HTML Tags, Richie Rich, Hidden Cell, Node Marking, Unpleasant Ones, Island Hopping, Tic Tac Toe, Graph Count
July Cook-Off 2021 Division 1
Beautiful Subsequence, Mod Equality, A Special Tree 2, Hidden Colored Graph, Make the Matrix Beautiful
July Lunchtime 2021 Division 1
Xor Separation, Longest Good Segment, Bad Luck, Ancient Magic
August Cook-Off 2021 Division 1
Odd Array, Different String, Interactive Equivalency, Clear the Array
September Cook-Off 2021 Division 1
Strange Queries, Chess Kings Chasing Game, Chef and Pairwise Distances, Permutation and GCD Set, Half Sequence, One Pile , Fake Swaps
SnackDown 2021 - Online Qualifiers
Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
October Cook-Off 2021 Division 1
Can You Reach The End, Maximal Trigonal Area, Second Player, Find the Modulus, Chef Up, Permutation Sorting Game
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Round 1B
Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2, Guess the row
SnackDown 2021 - Online Elimination Round (Rated for all)
One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments, Prefix Suffix LIS Constructing
SnackDown 2021 - Final Round
Ones Guessing, Scrupulous Robbery Plan, Queue at the Bakery, Equal Number of Prefix Maximums, Finally, Non Ad-Hoc Problem, AND of Maximums
December Cook-Off 2021 Division 1
Binary String Game, Destructive Nim, Ticket Machine, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
In-tree-active Node Coloring, Optimal Sorting, Counting manuls, Romantic Reversals, Sleep Technique , Point constraints
Infinity 2k21 Division 1 (Unrated)
Marbles, Ddakji, The Squid Game, Tug of War, Escape Plan, Hopscotch, Dalgona Treat, Red Light, Green Light, From Your GGANBU
January Cook-Off 2022 Division 1
Unreasonable Updates, Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Merged LIS, Hungry Ashish, Boring Trip, Prime Graph, Beautiful Permutation, Erase All But One
January Lunchtime 2022 Division 1
Subarray permutations, Prefix Zeros, Chef and Subset Additions, Circular Permutation Recovery, Yet Another XOR Task, Chef and Lockout Draws, Permutation XOR Sum, Permutation Deletion, Divisible Distances
February Cook-Off 2022 Division 1
Mex Pairs, Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot, Tangling Tree
February Lunchtime 2022 Division 1
Permutation Xor, Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Watching Movies at 2x, Chessboard Distance, Chef Cooks Permutation, Bracket Removal, Visit Them All, Chef and Mala, Magical Modulo, Magnet Sort
March Lunchtime 2022 Division 1
Subsequence, Mathology, Sussy Rooks, Winter, Adjacency Love, Separate Them All
April Cook-Off 2022 Division 1
Chef Goes Shopping, Sorted Distances, Distinct Integers, Sequence Cost, Max LCA Sum
May Cook-Off 2022 Division 1 (Rated)
Split Powers Of 2, Plus Xor Increase, Max Min Circle Difference, Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And, Rearrange Ranges
July Cook-Off 2022 Division 1 (Rated)
Median Pairs, String Break, Partition Queries, Segmentation Fault, Subsequence LCM
June Lunchtime 2022 Division 1 (Rated)
Chef And Lost Array, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective, SPLIT With XOR Not X, Increase to Zero
July Lunchtime 2022 Division 1 (Rated)
Tree Interval Queries, Inversions Retrieval, Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family
February Cook-Off 2023 Division 1 (Rated)
Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army