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

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Practice Compete Compiler
Home » Konstantin Popov
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Konstantin Popov

  • 3★georgekp
  •   Russia
  • Professional
  • Business Automatization LTD
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 99
1767 (-27)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 84 Division 2 (Rated)(2023-04-05 22:00:02)
Global Rank:   1126
Cheated in:   

Ratings System Update

(2023-04-05 22:00:02)
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1852 (-28)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 53 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   64
Cheated in:   

Ratings System Update

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

Practice Paths (1)

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Practice for ZCO and INOI

28%

Contests (99)

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Hill Jumping, Palindromic Game, Mathison and the Data Warehouse (Challenge), Greedy Candidates

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers

November Challenge 2017

Chef and Intersection Line, Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

June Cook-Off 2017

Ada and crayons, SnackUp

July Cook-Off 2017

Chang and Bitwise OR

August Cook-Off 2017

Real obtuse, From heaven to earth

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

November Cook-Off 2017

Skiing, Online Chess, Random Pair

December Cook-Off 2017

Beautiful Array, Football Match

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams, Mathison and the teleportation game

October Lunchtime 2017

Buggy Calculator, Maximum Number

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

(Challenge) Chef and Palindromes, A humongous Query, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Cook-Off 2018

Multiple of 3, Make array great again, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence, Chef and Escaping from the Labyrinth

February Challenge 2018

Broken Clock, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Chef and odd queries, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Line

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Mix the Colors, Minions and Voting

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

April Cook-off 2018 Division 1

Run Direction, Binary Nim

May Cook-off 2018 Division 1

Best Cake Ever

June Cook-Off 2018 Division 1

Good Permutations

May Lunchtime 2018 Division 1

Count Substrings, Shifted Palindrome

April Challenge 2018 Division 1

Chef and Array (Challenge), Cutting Plants, Highway Crossing, Count Good Prefixes

May Challenge 2018 Division 1

Change the Signs, Not a Convex Hull (Challenge), Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Two Flowers, Vision, Warehouseman (Challenge)

July Challenge 2018 Division 1

Reach Equilibrium, Chef and War with Taran (Challenge), No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Modular GCD, Lonely Cycles

September Challenge 2018 Division 1

Table Game, Bad Shuffle

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

November Challenge 2018 Division 1

Appy Loves One, Good Median, Chef, Primes and Trees (Challenge)

October Challenge 2018 Division 1

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard

ALKHWARIZM (Rated)

Help Voldemort, Hedwig The Smart Bird, Sam, The Charming Angel

Insomnia 2018 (Rated)

Count Nodes, Split Sums, Strange Swaps

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax

March Challenge 2019 Division 1

Chef and Soccer, Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit, (Challenge) Interleaving Strings

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal

May Challenge 2019 Division 1

Ada Rooks 2, Where to Build the Roads

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99

July Challenge 2019 Division 1

Guess the Prime!, Codechef War, Circular Merging

August Challenge 2019 Division 1

Guddu and his Mother, Dilemma, Maximize an Expression

September Challenge 2019 Division 1

Chef Designed a Network

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

November Challenge 2019 Division 1

Smallest Beautiful Number

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Addition

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

January Lunchtime 2020 Division 1

Construct Array, Under the Tunnels

May Lunchtime 2020 Division 1

Convert the String

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, Covid Sampling (Challenge)

July Challenge 2020 Division 1

Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 1

Smallest KMP, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements

September Challenge 2020 Division 1

Chefina and Swap, Find XOR, Ada Matrix

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Binary Concatenation

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies, Alien Invasion , Ratings and Rankings

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 1

Restore Sequence

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 1

Even Pair Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

October Lunchtime 2020 Division 1

Chef Likes Good Sequences

September Cook-Off 2020 Division 1

Maximise Subsequence Value

January Cook-Off 2021 Division 3

Prime Tuples, Distinct Pair Sums, Maximise Islands, Password

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Cook-Off 2021 Division 2

Consecutive Deletions, Matrix XOR, Guess the Number

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

May Cook-Off 2021 Division 2

The Last Problem, Double Burgers

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

CodeChef Starters 6 Division 2 (Unrated)

Joker and Batman, Three Dices, Cricket Ranking

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions, Chef and Magical Steps

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement

November Challenge 2021 Division 2 (Unrated)

Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges

SnackDown 2021 - Online Pre-Elimination

Product Pain

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Squares Counting

January Long 2022 - I, Division 2 (Unrated)

Sequence Master, Prime in a binary string, Retrieve back the Array, Chef and Riffles

January Long 2022 - II, Division 2 (Unrated)

Crying Colours

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

March Long One 2022, Division 2 (Unrated)

Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks

April Cook-Off 2022 Division 2

Sticks and Rectangles

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Chef Find XOR Beautiful, Admins and Shopping

Starters 36 Division 2 (Rated)

Valentine Vex, Buying Sweets, Presents for Cheffina

April Long Two 2022 Division 2 (Unrated)

Geometric Mean Inequality, Akash and Equal Mean, Chef And Division, Pseudo Sorted Array

May Long One 2022 Division 2 (Unrated)

Mystical Numbers, Pushpa , The Magical Stone, The Attack of Queen

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And

May Long Two 2022 Division 2 (Unrated)

Subsequence-Numbers Divisible by 7, Not Tree Again!, Xor Palindrome, Subarrays with length, Make them Zero

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

June Long One 2022 Division 2 (Unrated)

Divisible by i , Alternate Additions, Equal Strings

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, Equal by XORing

July Long One 2022 Division 2 (Unrated)

Largest Square in the garden, Journey of the Knight, Game of Piles Version 1, Game of Piles Version 2, Find A, B, C, Slow Solution

August Long 2022 Division 2 (Unrated)

Angled Flip, XOR with smallest element, Hello Equation, Two Trains, Crazy Subsequences

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

September Long 2022 Division 2 (Unrated)

Pokemon Battles, Interesting Subarray, Good Pairs

Starters 58 Division 2 (Unrated)

Break the elements, Equivalent Numbers, Add to Subsequence

October Long 2022 Division 2 (Unrated)

Chef And Array Construction, Binary Substituition, Single Operation Part 1, Single Operation Part 2

November Long 2022 Division 2 (Unrated)

MaxEdges, Split and Maximize, Spliting Balls

December Long 2022 Division 2 (Unrated)

Sum of Cube , Divisible by A_i, Gcd of Subarrays, Maximise XOR

January Long 2023 Division 2 (Unrated)

Asymmetric Swaps, Minimize the Maximum, Array Halves

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 80 Division 2 (Rated)

Prefix Permutation, Equal Elements

Starters 82 Division 2 (Rated)

Find eX, MIN To MAX

Starters 84 Division 2 (Rated)

Max count of 1, Max Binary, Chef And Adjacent Sums

Total Problems Solved: 456

1767
(Div 2)
★★★
CodeChef Rating (Highest Rating 2222)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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