Learning Paths (0)
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Practice Paths (0)
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Contests (45)
July Cook-Off 2022 Division 3 (Rated)
Enough Space, Permutation And Median, K-MEX, Xor Permutation, Chef Drinks Tea, High Accuracy
June Cook-Off 2022 Division 4 (Rated)
Rating Improvement, Playlist, Break the Stick, First and Last
Starters 42 Division 4 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips
June Long One 2022 Division 4 (Rated)
Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 3 (Rated)
The Attack of Knight
Starters 43 Division 4 (Rated)
The Optimal Pairs, Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time
June Lunchtime 2022 Division 4 (Rated)
Zero Ones Equal One Zeros, It is My Serve, Too many Floors, Determine the Score, Equal by XORing
Starters 45 Division 3 (Rated)
Even Equal Odd, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
Starters 46 Division 3 (Rated)
Sort the String, MATH1 Enrolment, Group Assignment
Starters 47 Division 3 (Rated)
Construct N, End Sorted, Minimum Coins
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array
July Long Two 2022 Division 2 (Unrated)
Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Insurance, Hungry Chef
Starters 49 Division 2 (Rated)
N Buttons 1 Bulb, Split The String, Is it hot or cold, Maximise the Tastiness, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Air Blimp, Permutation GCD, Sum Product Segments, Discount, Mileage matters, Nearest Court, Average Permutation
Starters 51 Division 2 (Rated)
Split N, Different Medians
August Long 2022 Division 2 (Unrated)
Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal
Starters 52 Division 2 (Unrated)
AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Make A and B equal
Starters 54 Division 2 (Unrated)
Equal Distinct, Number of Credits, Ticket Fine, K Flip
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median
September Long 2022 Division 2 (Unrated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation, Increasing Addition
Starters 57 Division 2 (Unrated)
Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 59 Division 2 (Rated)
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Speciality, Alternative Sufferings
October Long 2022 Division 2 (Unrated)
Chef And Array Construction, Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 2 (Rated)
Distinct Numbers, Expert Setter, Red Green Grids, Yet Another Palindrome Problem, Tax in Chefland, Palindrome Flipping, Card Removal
Starters 61 Division 2 (Rated)
Minimise LCS, Different Consecutive Characters , Subarray Removal, Reach on Time, Odd Sum Pair
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum, Max minus Min, Test Score
Starters 63 Division 2 (Rated)
Maximize 1s, One-XOR Deletions, Minimum Absolute Score
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
November Long 2022 Division 2 (Unrated)
Spliting Balls, Time Complexity, Water Mixing, String Game
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem, Existence Of X
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Interesting Array, Make Money
Starters 69 Division 2 (Rated)
Akash and Dinner, Distinct Sequence
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 2 (Rated)
Pet Store, Flip the Prefix, Expected Sum, Maximizing LCS
December Long 2022 Division 2 (Unrated)
Divisible by A_i, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR
Starters 72 Division 2 (Rated)
N Triplets
Starters 73 Division 2 (Rated)
Minimum OR Path, Find an integer, Consecutive Xor, Append for OR
Starters 74 Division 2 (Rated)
Candies, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Starters 75 Division 2 (Rated)
Equal Hamming Distance, Prefix Ones, Three Powers of Two
January Long 2023 Division 2 (Unrated)
Asymmetric Swaps, Array Halves, Far from origin, Overspeeding Fine, Negative Product
Starters 76 Division 2 (Rated)
Make Array Odd, Zero String, Expected Value, Construct Array, Not Divisible
February Cook-Off 2023 Division 1 (Rated)
Take Not Less
Starters 77 Division 2 (Rated)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 78 Division 1 (Rated till 6 stars)
Bitwise Equation, Solve More Problems!
Starters 79 Division 2 (Rated)
Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 80 Division 2 (Rated)
Permutation Subsequence, c8kbf and Tree, Prefix Permutation, Equal Elements
Starters 82 Division 1 (Rated till 6 stars)
Find eX, Difference Matrix
Starters 84 Division 1 (Rated till 6 Stars)
SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums
Starters 83 Division 1 (Rated)
Construct String, Order by XOR, Restoration
Total Problems Solved: 1705
