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(2025-07-13 23:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (2)
Contests (66)
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Distribution
December Cook-Off 2020 Division 2
Self-Destructing Strings, Minimum Attendance Requirement
December Lunchtime 2020 Division 2 (Unrated)
Sed Sequences
UWCOI 2021 (Rated for all)
Hidden Numbers
Byterace IIT Patna Division 2 (Rated)
The Begining Era Of Cyberverse
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, 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
CodeChef Div 3 Rated Contest 2021 Division 3
Rectangle, Body Mass Index, Total Score
February CodeChef Starters 2021 Division 2 (Unrated)
College Life 2, Chef and Coupon
March CodeChef Starters 2021 Division 3 (Rated)
College Life 5, Nobel Prize, Possible Victory
International Coding Marathon 2021 Division 3 (Rated)
Lucky Boundaries
SPYBITS IIT BHU Division 3 (Rated)
B - Valentine Couples, A - Save Water Save Life
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
June CodeChef Starters 2021 Division 2 (Unrated)
Total Correct Submissions, Chess Match, Cyclic Quadrilateral
July Challenge 2021 Division 2 (Unrated)
Optimal Denomination
July Lunchtime 2021 Division 2
Beautiful Pairs, Array Rotation Returns
CodeChef Starters 6 Division 2 (Unrated)
Joker and Batman, Even tuples, Three Dices, Cricket Ranking
CodeChef Starters 7 Division 2 (Unrated)
Chess Format, Food Chain
August Challenge 2021 Division 2 (Unrated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
August Cook-Off 2021 Division 2
Equal Difference
August Lunchtime 2021 Division 3
K-th Maximum, Maximum Length Even Subarray, Programming Languages, Just a Graph
CodeChef Starters 8 Division 2 (Unrated)
Three Points, Penalty Shots
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard
AlgoManiac - Code For Future Division 2 (Unrated)
The Old Saint And Three Questions
September Cook-Off 2021 Division 2
Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Find the Direction, Obtain the Sum
CodeChef Starters 12 Division 2 (Unrated)
Make it Divisible
CodeChef Starters 13 Division 2 (Rated)
Chef in Vaccination Queue, Maximum Light Up, Magical Doors
September Lunchtime 2021 Division 2
Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Alice vs Bob Faceoff, Yet another SOD problem
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions, Pass or Fail
October Cook-Off 2021 Division 2
Odd Sum, 01 Subsequence
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Equal Coins
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, Chef on Vacation, New Piece
CodeChef Starters 18 Division 2 (Unrated)
Palindromic Binary Numbers, Expectations on a Permutation, Compare those strings, Back to Campus, Make them equal
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence, Brutal-Xors
FizzBuzz Division 2 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach, Can You Eat It
SnackDown 2021 - Elimination Parallel (Rated for Div 2)
Yet another subarray problem, Remove Element
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
December Lunchtime 2021 Division 2
Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
Code Drive Division 2 (Rated)
Sum this up, Again XOR problem, Count Number of Peaks
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Merged LIS, Hungry Ashish
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Chef and Profits, Subarray Mex
January Lunchtime 2022 Division 2
Subarray permutations
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
February Cook-Off 2022 Division 2
Perfect Permutation, PerMEXuation , Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Prefix Permutation
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, The product mystery
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Watching Movies at 2x, Chessboard Distance, Magnet Sort
March Long One 2022, Division 2 (Unrated)
Akash and Function, Substring of a Substring, Akash and Missing Class, Discus Throw, Bath in Winters, Wordle
March Long Two 2022, Division 2 (Unrated)
Chef and Races, Increase IQ, The Three Topics, Missing Numbers, The Rating Dilemma, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU
CodeChef Starters 30 Division 2 (Rated)
Minimum Coloring, Gift Shop and Coupon, Balanced Reversals
March Cook-Off 2022 Division 2
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
CodeChef Starters 31 Division 2 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
March Lunchtime 2022 Division 2
Credit score, Sad Splits, Minimum number of coins, CRED Coins, Adjacency Love
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes, Flip Sorting
April Cook-Off 2022 Division 2
Sticks and Rectangles
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, Broken Life, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal
CodeChef Starters 34 Division 2 (Rated)
Binary Mismatch, Average Array, Binary String Xor, Good Permutation
April Lunchtime 2022 Division 2(Rated)
Buckets Full of Candies, Pair Pain
Starters 35 Division 2 (Rated)
Jump to Sibling, Dark Light, Chef Find XOR Beautiful, Concurrent Lines, Admins and Shopping
Starters 36 Division 1(Unrated)
Buying Sweets, Reduce to 1
April Long Two 2022 Division 1 (Unrated)
Geometric Mean Inequality, Antipodal Points, Pseudo Sorted Array
Starters 37 Division 1 (Unrated)
Beat the Average, Maximum OR Minimum
May Long One 2022 Division 1 (Unrated)
Mystical Numbers, Pushpa , The Magical Stone
Starters 38 Division 1 (Unrated)
A Bit Easy, Good Pairs, Average Gift, Anti-knapsack
May Lunchtime 2022 Division 1 (Rated)
Equal After And
Starters 39 Division 1 (Unrated)
Even Subarray XOR
Starters 40 Division 1 (Unrated)
Or Permutation, Good Pairs
July Cook-Off 2022 Division 1 (Rated)
Segmentation Fault
Starters 41 Division 1 (Unrated)
Remove and Add, Is this priority or parity!
Starters 42 Division 1 (Unrated)
Minimum or Maximum
June Long One 2022 Division 1 (Unrated)
Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 1 (Unrated)
Alternating Strings
June Long Two 2022 Division 1 (Unrated)
Gcd and Lcm , Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting, Fitness, Strong Elements
July Long One 2022 Division 1 (Unrated)
Game of Piles Version 1
Starters 46 Division 1 (Unrated)
Prime Xor, Vowel Anxiety, Array sorting, Sort the String
Starters 49 Division 1 (Unrated)
Split The String, High Frequency
Starters 50 Division 1 (Unrated)
Sum Product Segments, Average Permutation
August Long 2022 Division 1 (Unrated)
Hello Equation
Starters 53 Division 1 (Unrated)
Make A and B equal
Starters 154 (Rated)
GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 164 (Rated)
Halloween Array, Swap and Flip
Starters 165 (Rated)
Reverse and Alternate, A to B, Stable Array, Bulk Discount
Starters 166 (Rated)
Distinct Power, Divisors Array (Easy Version), Chefland Library
Starters 187 (Rated)
OR What, Exercise and Rest, Chococut, Incremental Game, Distinct Representations
Starters 188 (Rated)
K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Starters 190 (Rated)
Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)
Starters 191 (Rated)
Add to get GCD, Permuted Greater than 2
Starters 192 (Rated)
Security Lines, Equate XY
Starters 193 (Rated)
Mex Tree (Min), Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors
Starters 194 (Rated)
Mark All, Munchys Modulo, Chef Bakes Cake 3, Good Arrays (Cyclic)