Максим Осташкевич
- m_ostashkevich
Ukraine- Other
- No Active Plan. View Details
Activity Heat Map
Learning Paths (1)
Practice Paths (3)
Contests (125)
March Cook-off 2018 Division 2
Chef Judges a Competition
April Cook-off 2018 Division 2
Cut the Board
May Cook-off 2018 Division 2
Secret Recipe
June Cook-Off 2018 Division 2
Archi and Comparsion, Good Permutations
August Cook-Off 2018 Division 2
GukiZ and Candies, Mixi Game, Balsa For The Three
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
October Mega Cook-Off 2018 Division 2
Binary Nim 2, Ada and the Staircase
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland
December Cook-Off 2018 Division 2
Camp Or Not
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
April Lunchtime 2018 Division 2
Two vs Ten
May Lunchtime 2018 Division 2
Trace of Matrix
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Magic Set, Strike or Spare, No Strings Attached
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
June Lunchtime 2018 Division 2
Summary Power, Counting Pretty Numbers
July Lunchtime 2018 Division 2
Split Stones
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
November Lunchtime 2018 Division 2
Event
October Lunchtime 2018 Division 2
Three Friends
Quick Code (Rated for Division 2)
Immortal Frieza
ProCon Junior (Rated for Division 2)
Chef and Secret Ingredient, Chef and Bored Games
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
December Lunchtime 2018 Division 1
Age Calculator
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
January Cook-Off 2019 Division 1
Ada School
January Lunchtime 2019 Division 1
Rooks
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef and Number Game
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
October Challenge 2019 Division 2
Phone Prices
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
The Theatre Problem, School of Geometry, Hard Cash
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
September Challenge 2020 Division 2
A Problem on Sticks
October Challenge 2020 Division 2
Covid Run, Chef and Easy Queries
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
January Challenge 2021 Division 3
Chef and Division 3, Encoded String
January Cook-Off 2021 Division 3
Distinct Pair Sums, Password
January Lunchtime 2021 Division 3 (Unrated)
Ashishgup and Interviews, Pair Me, Even Differences, Even Sum
February Challenge 2021 Division 3
Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor
February Lunchtime 2021 Division 2
Palpal Strings, Coprime Range
CodeChef Div 3 Rated Contest 2021 Division 2 (Unrated)
Body Mass Index, Total Score
February CodeChef Starters 2021 Division 2 (Unrated)
Maximum Value, College Life 2, Chef and Coupon
March Challenge 2021 Division 2
Interesting XOR!, Space Arrays
April Challenge 2021 Division 3
Valid Pair, World Record
CodeChef Starters 20 Division 3 (Rated)
Stable Sequence, Genes, Chef and Pal
December Challenge 2021 Division 3 (Rated)
List of Lists, Utkarsh and Placement tests
December Lunchtime 2021 Division 2
Maximum Trio
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid
CodeChef Starters 22 Division 3 (Rated)
An Interesting Sequence, Equal Card Game, Elections in Chefland
Infinity 2k21 Division 3 (Rated)
Marbles, The Squid Game, Red Light, Green Light
Code Drive Division 3 (Rated)
Game between friends, Count Number of Peaks, Favourite String of Chef
January Long 2022 - I, Division 3 (Rated)
Keplers Law, Prime in a binary string, Covid Spread
January Long 2022 - II, Division 3 (Rated)
Crying Colours, TCS Examination, Chef and Fixed Deposits
Exun 2021-22 Division 3 (Rated)
Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array
January Cook-Off 2022 Division 3
Palindromes Not Allowed, Mean Maximization, Mask Policy, Hungry Ashish
CodeChef Starters 23 Division 3 (Rated)
Average of Three, Chef and Profits
January Lunchtime 2022 Division 3
Chef and Lockout Draws
CodeChef Starters 24 Division 3 (Rated)
Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking
February Long 2022 - I, Division 3 (Rated)
Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Xor Palindrome
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Control the Pollution
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, The product mystery
March Long One 2022, Division 3 (Rated)
Akash and Function, Akash and Missing Class, Exact Marks, Wordle
CodeChef Starters 29 Division 3 (Rated)
String protocol, Plusle and Minun on Array, Bomb the base
CodeChef Starters 30 Division 3 (Rated)
Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals
March Cook-Off 2022 Division 2
Janmansh at Fruit Market, Equal Mex Splitting
CodeChef Starters 31 Division 3 (Rated)
Alternating String, Sign Moves, The Unchanging OR, Group Assignment
March Lunchtime 2022 Division 3
Minimum number of coins, Buy 2 Get 1 Free
CodeChef Starters 32 Division 3 (Rated)
Binary String Cost, Finding Shoes
April Cook-Off 2022 Division 3
Funny Hand
CodeChef Starters 33 Division 3 (Rated)
Distinct Dilemma, Minimum Cars required, Non Adjacent Flips
April Long One 2022, Division 3 (Rated)
Dazzling GCD Pair, Dazzling AXNODR Challenge , The Cooler Dilemma 2
April Lunchtime 2022 Division 3(Rated)
Mario and Bullet, Palindrome Pain
Starters 35 Division 3 (Rated)
Dark Light, Police and Thief
Starters 36 Division 3 (Rated)
Presents for Cheffina, Chef and Bird farm
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Laptop Recommendation , Infernos
May Long One 2022 Division 4 (Rated)
Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Total Prize Money
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Good Pairs
Starters 56 Division 4 (Rated)
Nearest Exit, Chefland Games, Far Away
September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)
Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 4 (Rated)
Alice and Marks, Integers that sum to the same value, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 4 (Rated)
Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements
Starters 59 Division 4 (Rated)
Chef and Happy String , Audible Range, Speciality
October Long 2022 Division 4 (Rated)
Podium Finish, Minimum Pizzas, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 3 (Rated)
Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 3 (Rated)
Minimise LCS, Different Consecutive Characters , Odd Sum Pair
Starters 62 Division 3 (Rated)
Sorted Substrings, Final Sum, X Jumps, Test Score
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges
Starters 73 Division 3 (Rated)
Lucky Numbers, Append for OR
Starters 74 Division 3 (Rated)
Chef And Babla, Odd Even Binary String
Starters 75 Division 3 (Rated)
Prefix Ones, Three Powers of Two, Two Ranges
January Long 2023 Division 3 (Rated)
Asymmetric Swaps, Minimize the Maximum, Array Halves, Far from origin
Starters 76 Division 3 (Rated)
Redistributing Chocolates, Make Array Odd, Zero String, Construct Array, 400M Race, Not Divisible
February Cook-Off 2023 Division 3 (Rated)
Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix
Starters 77 Division 3 (Rated)
Spreading Charges, Tekken, Concat Palindrome
Starters 78 Division 3 (Rated)
Valid Expression, Passing Marks
Starters 79 Division 3 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 3 (Rated)
Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 3 (Unrated)
Divide Pages, Maximum Capacity
Starters 82 Division 3 (Rated)
Reach Home, Difference Matrix, MIN To MAX
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 86 Division 3 (Rated)
String Game , Cricket Match, Chef and Battery , Maximise Score
Starters 88 Division 3 (Rated)
Unstable Subarray, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 90 Division 2 (Rated)
Printing Binary Array, Anti Palindrome
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak
Starters 95 Division 3 (Rated)
Transfusion Chain
Starters 96 Division 3 (Rated)
Remove Multiples, Bells of Pilgrimage, Weeding
Starters 97 Division 3 (Rated)
Caesar Cipher, Schrodinger Smiley, Best of Two
August Long 2023 Division 3 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 132 Division 3 (Rated)
Change Please, GAME 11
Starters 135 Division 3 (Rated)
Invert And Equalize, Football Ties
Starters 152 (Rated)
Winning World Finals, Range Minimize
Starters 153 (Rated)
Make Arithmetic Progression