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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Gennady Korotkevich
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Gennady Korotkevich

  • 7★gennady.korotkevich
  •   Belarus
  • Student
  • Saint Petersburg National Research University of Information Technologies, Mechanics and Optics
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 102
3355 (-47)RatingProvisional
Rating i Provisional Rating, click to know more
February Cook-Off 2023 Division 1 (Rated)(2023-02-08 22:30:00)
Global Rank:   22
Cheated in:   

Ratings System Update

(2023-02-08 22:30:00)
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3402 (-690)RatingProvisional
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July Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   2
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
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Learning Paths (0)

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Practice Paths (0)

None

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

Total Problems Solved: 632

3355
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 3445)
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  • Inactive Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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