Ajinkya Parab
- ajinkya1p3
India- Professional
- Indeed
- No Active Plan. View Details
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Learning Paths (0)
Practice Paths (1)
Contests (161)
October Cook-Off 2014
The Army, Walk on the Axis
November Cook-Off 2014
Brackets
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem
December Challenge 2014
Alok-nath and His Sanskars, Kali and Devtas, XOR with Subset, Chef and Apple Trees
September Lunchtime 2014
Chef and easy problem
October Lunchtime 2014
Tanu and Head-bob
November Lunchtime 2014
A wolf, a sheep and cabbage
December Lunchtime 2014
Delivery Man
January Challenge 2015
Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
January Cook-Off 2015
Suraj goes shopping, Tojo hates probabilities
January Lunchtime 2015
Piece of cake
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Complex String Coverage, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality
March Challenge 2015
Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave
April Challenge 2015
Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales
May Challenge 2015
Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Addition and Multiplication, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
November Challenge 2015
Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes
December Challenge 2015
Sereja and Dividing, Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls, Tanks
February Cook-Off 2015
Fit Squares in Triangle, Strategy for the World Cup
March Cook-Off 2015
How to Minimize a String, How to Repaint a Fence
April Cook-Off 2015
Equality, Version Control System
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
June Cook-Off 2015
Longest non regular parentheses sub-sequence, Strange operations
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Forgotten Language, Super Numbers, Stacks
October Cook-Off 2015
Word Stem, Almost Sorted Permutation
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
February Lunchtime 2015
Lucky Four
March Lunchtime 2015
Chef Anup
May Lunchtime 2015
Devu and Grapes, Number of Ways
June Lunchtime 2015
Chef and Submatrix, Chef and Two Strings
August Lunchtime 2015
Minimum Maximum
October Lunchtime 2015
emitL
January Long Challenge 2016
Sereja and Salesman, Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum
March Challenge 2016
Sereja and Two Strings 2, Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring
May Challenge 2016
Sereja and GCD 2, Chef and math, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Chef and Robots Competition, Chefland and Electricity
August Challenge 2016
Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Sereja and Progressions, Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String
November Challenge 2016
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey
December Challenge 2016
Train Partner, Kth Max Subarray, Kirito in labyrinth, Our Base is Under Attack
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
February Cook-Off 2016
Puppy and Catchers, Puppy and Board, Puppy and Sum
March Cook-Off 2016
Digital clock, Dual Nim, Alternating subarray prefix
April Cook-Off 2016
Movie Weekend, Odd Divisors, Queries on a Binary Tree
June Cook-Off 2016
Sticks, Right Triangle
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
November Cook-Off 2016
Sebi and the cube, Sebi and the highway, Sebi and the corrupt goverment
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe
March Lunchtime 2016
Simple Statistics, ABABAABA
June Lunchtime 2016
Collisions, One more weird game
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
September Lunchtime 2016
Chef and Inequality
October Lunchtime 2016
The Largest Bouquet
December Lunchtime 2016
Superheroes and villains, Fly height mode
January Challenge 2017
Capital Movement, Cats and Dogs, Digits Cannot Separate, Reservior, Tourists in Mancunia
February Challenge 2017
Chef and Yoda, Eugene and big number, Interval Game, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
February Cook-Off 2017
Download file, Chairs, Cooking Game
January Lunchtime 2017
Sealing up, Nothing in Common
April Challenge 2017
Chef and Digits, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and Sub Array , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
June Challenge 2017
Chef and Prime Queries, Saboteur (Challenge), A Good Set, Cloning, 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, Two Coins
August Long Challenge 2017
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, 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
November Challenge 2017
Chef and Intersection Line, Product on the segment by modulo , Chef Hates Palindromes, Polynomials, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays
March Cook-Off 2017
Yet Another Card Game, Safe Robot
November Cook-Off 2017
Hasan and boring classes, Skiing, Online Chess, Random Pair
December Cook-Off 2017
Minimum SubArray, Beautiful Array, Football Match
March Lunchtime 2017
Bear and Ladder, Bear and Species
April Lunchtime 2017
Bear and Digit Virus, Bear and Segments, Bear and Segment 01
May Lunchtime 2017
Prefix Inversions
July Lunchtime 2017
Find the Maximum Value
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
September Lunchtime 2017
Chef and Dice, Chef and Cook-Off Contests
International Coding League (Rated)
Cards Game, Worst Case Analysis, Infinite Graph
Alkhwarizm 2017 (Rated)
Logan and his XOR debacle, X-24 and his SUBSET code, Charles and the BRUTAL subsequences, Deadpool and his COOLEST Problem Ever, Professor X and Grouping of Numbers, Logan and DIGIT IMMUNE numbers
IOPC 2017 (Rated)
The Birthday Tears, Max Out, Christmas Time
January Challenge 2018
Killing Monsters, A humongous Query, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Broken Clock, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Challenge 2018 DIV 1
Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
April Cook-off 2018 Division 1
Run Direction, Binary Nim
August Cook-Off 2018 Division 1
GukiZ and Candies, Mixi Game
November Cook-Off 2018 Division 1
Beautiful Garland, A-B Game
December Cook-Off 2018 Division 1
Yalalovichik Numbers, Yalalovichik Strings
April Lunchtime 2018 Division 1
The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling
April Challenge 2018 Division 1
Vaibhav and Ministers, Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes
May Challenge 2018 Division 1
S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs
June Challenge 2018 Division 1
Two Flowers, Vision, Ways to Work, Expected Buildings
July Challenge 2018 Division 1
No Minimum No Maximum, Gears
August Challenge 2018 Division 1
Modular GCD
September Challenge 2018 Division 1
AND Square Subsegments, Selinas the Chefs Falling on the Tree, Sasha and Photos, Chef and Condition Zero (Challenge), Table Game, Bad Shuffle
December Challenge 2018 Division 1
Max and Electrical Panel, Chef and Interactive XOR
November Challenge 2018 Division 1
Appy Loves One, Good Median, Binary Strings
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard
July Lunchtime 2018 Division 1
Forced Particles, GCD Sum, Prime divisors
August Lunchtime 2018 Division 1
Chef and Eid, Mix Mix Game
September Lunchtime 2018 Division 1
Opposite Cites, Chef Restaurant
October Lunchtime 2018 Division 1
Coloring the Grid, Weird Question
Code Melange (Rated)
XD Subsequences, The Deadly Sin, Candy Love
LoC April 2018 (Rated for Division 2)
Perfect Necklace, Cricket Score, Bob and Pallindromes
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success, Awkward Pairs, Algebra Score
December Lunchtime 2018 Division 1
Choosing from Buckets, Drawing Lines, Age Calculator
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice
January Lunchtime 2019 Division 1
Distances, Wanderer, Rooks
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
March Challenge 2019 Division 1
Cheating on Queue, Yet Again a Subarray Problem, Matchable Permutations
March Cook-Off 2019 Division 1
XOR N-bonacci Sequence, Markers and Caps, Music Shopping
April Challenge 2019 Division 1
Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal
April Lunchtime 2019 Division 1
Dream Problem, Firdavs and Planet F, Minimum Sum
May Challenge 2019 Division 1
Ada Rooks 2, Trees and Degrees, Where to Build the Roads
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD
July Challenge 2019 Division 1
Guess the Prime!, Codechef War, Circular Merging
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Chef and Gordon Ramsay
September Challenge 2019 Division 1
Fuzzy Linear Combinations
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1
Smallest Beautiful Number, From Zero to Infinity, A Simple Game
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR, Sticky Notes, Addition
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English
February Challenge 2020 Division 1
Chef and Railway Stations, No Change Required, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 1
Winning Ways 2, Lasers Everywhere, Lasers Everywhere Alternative
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise
June Challenge 2020 Division 1
The Tom and Jerry Game!
July Challenge 2020 Division 2
Ada King, Missing a Point, 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, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix
October Challenge 2020 Division 1
Positive AND, Replace for X
November Challenge 2020 Division 1
Restore Sequence, Scalar Product Tree
January Challenge 2021 Division 2
Fair Elections
December Challenge 2020 Division 1
Hail XOR, Positive Prefixes, Even Pair Sum
October Cook-Off 2020 Division 1
Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
September Cook-Off 2020 Division 2
Joined Subarrays on Tree, Maximise Subsequence Value, Minimum Insertions, Bulbs and Wires, Bowling Strategy
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
February Challenge 2021 Division 2
Frog Sort, Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort
April Challenge 2021 Division 2
Tree Permutations, Worthy Matrix, Chef and Dice, Boolean Game
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Make that Array!, Magical Doors
SnackDown 2021 - Online Round 1A
Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Round 1B
Yet Another Flipping Problem 2, Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant
SnackDown 2021 - Online Pre-Elimination
Odds and Evens, Product Pain
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string
June Long Two 2022 Division 2 (Unrated)
Gcd and Lcm , Count the ACs, Reversal Sorting, Strong Elements
July Long Two 2022 Division 2 (Unrated)
Sum of Product 1
October Long 2022 Division 2 (Unrated)
Chef And Array Construction, Twos and Zeros, 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)
Counting Subsequences, Divisible by A_i, Gcd of Subarrays, Maximise XOR
January Long 2023 Division 2 (Unrated)
Asymmetric Swaps, Symmetric Swaps, Minimize the Maximum, Array Halves
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One, How many arrays
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, Triangular Swaps
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings, ConstructXor
Starters 130 Division 1 ( Rated till 6-Stars)
Updating A, Make Equal, Append Array, Good Binary String
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Digit Space, Encrypt Value, T-Perm
Starters 139 Division 1 (Rated till 5-Stars)
Sum of N, Counting in Base B, Destroying Bridges Part 2
Starters 140 Division 1 (Rated till 5-Stars)
Lucky Matrix, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length, Spread of Ratism
Starters 144 Division 1 (Rated)
Largest K
Starters 149 (Rated till 5 stars)
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, MEXtreme Divisibility, Normal is Good, Unmedian
Starters 158 (Rated till 6 stars)
Make a Tree, Global Warming, Buying Game, Multiply 2 to Minimize
Starters 160 (Rated till 5 stars)
Palindrome Love, Modindrome, Buying Order (Easy), Buying Order (Hard)
Starters 162 (Rated till 5 stars)
Empty the String, Permutation Mod K