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Learning Paths (1)
Practice Paths (1)
Contests (10)
October Challenge 2020 Division 2
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Even Odd Partition, Optimal Denomination, Chef and Pairs, Madoka and Ladder Decomposition, Dakimakura Distribition, K Path Query
November Challenge 2021 Division 2 (Unrated)
Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges, Convex Hulk
December Challenge 2021 Division 2 (Unrated)
Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Squares Counting
January Long 2022 - I, Division 2 (Unrated)
Sequence Master, Generating Cycles, Prime in a binary string, Retrieve back the Array, Chef and Riffles
January Long 2022 - II, Division 2 (Unrated)
Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome
March Long One 2022, Division 2 (Unrated)
Akash and Function, Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees
March Long Two 2022, Division 2 (Unrated)
Minimum Longest Substring, Missing Numbers, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU, Perfect Imperfections 2
April Long Two 2022 Division 2 (Unrated)
Geometric Mean Inequality, Antipodal Points, Akash and Equal Mean, Flip to Invert, Chef And Division, Pseudo Sorted Array
June Long One 2022 Division 2 (Unrated)
Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
June Long Two 2022 Division 2 (Unrated)
Counting Is Fun, Gcd and Lcm , Count the ACs, AP Grid, The Subarray XOR, Reversal Sorting, Strong Elements
July Long One 2022 Division 2 (Unrated)
Largest Square in the garden, Expected Difference, Journey of the Knight, Game of Piles Version 2, Find A, B, C, Slow Solution
July Long Two 2022 Division 2 (Unrated)
Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Similar Subsequence
August Long 2022 Division 2 (Unrated)
Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation, Two Trains, Crazy Subsequences
September Long 2022 Division 2 (Unrated)
Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray, Good Pairs
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, GCD Queries, Bomb Blast
Starters 95 Division 2 (Rated)
Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, EVacuate to Moon, Break This Array
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Remove Stones, Zero Array, Mex Array, Absolute Differences
Starters 97 Division 1 (Rated till 6 Stars)
Make It Special, Unreachability Cost, No Palindrome, Triplets Min
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Happiness , Build Towers, Ball Distribution, Some Queries, Sub-Array With Maximum Sum
August Long 2023 Division 1 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 144 Division 1 (Rated)
Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K
Starters 173 (Rated upto < 2700)
Cool Subsequences, Postman and LLM, Modular Minimization, Introverts, Cool Checker, Min-Max Product Partition, Time Penalty, Overwrite